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1/3 +1/40 +4/20 +5/12
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- [tex] \sf{ \frac{1}{3} + \frac{1}{40} + \frac{ \red{\cancel{4}}}{ \red{\cancel{20}}} + \frac{5}{12} }[/tex]
- cross out the common factor
- [tex] \sf{ \frac{1}{3} + \frac{1}{40} + \frac{1}{5} + \frac{5}{12} }[/tex]
- Find common denominator and write the numerators above common denominator
- [tex] \sf{ \frac{40}{3 \times 40} + \frac{3}{40 \times 3} + \frac{3 \times 8}{5 \times 24} + \frac{5 \times 10}{12 \times 10} }[/tex]
- calculate the product or quotient
- [tex] \sf{ \frac{40}{120} + \frac{3}{120} + \frac{24}{120} + \frac{50}{120} }[/tex]
- write the numerator over common denominator
- [tex] \sf{ \frac{40 \: + \: 3 \: + \: 24 \: + \: 50 }{120} }[/tex]
- calculate the sum or difference
- [tex] \sf{ \frac{117}{120} }[/tex]
- cross out the common factor
- [tex] \sf{ \frac{39}{40} }[/tex]

Hence The answer Is 39/40

Hope it helps!!
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Step-by-step explanation:

40/120 + 3/120 + 24/120 + 50/120

(40 + 3 + 24 + 50)/120= 117/120
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