Subtract 15/72 from 56/20
1st number: 2 16/20, 2nd number: 15/72
56/20 - 15/72 is 311/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
56/20 = 56 × 18/20 × 18 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Subtract the two like fractions:
1008/360 - 75/360 = 1008 - 75/360 = 933/360 - After reducing the fraction, the answer is 311/120
- In mixed form: 271/120
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