Subtract 5/35 from 72/20
1st number: 3 12/20, 2nd number: 5/35
72/20 - 5/35 is 121/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
5/35 = 5 × 4/35 × 4 = 20/140 - Subtract the two like fractions:
504/140 - 20/140 = 504 - 20/140 = 484/140 - After reducing the fraction, the answer is 121/35
- In mixed form: 316/35
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