Subtract 4/15 from 72/28
1st number: 2 16/28, 2nd number: 4/15
72/28 - 4/15 is 242/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
4/15 = 4 × 28/15 × 28 = 112/420 - Subtract the two like fractions:
1080/420 - 112/420 = 1080 - 112/420 = 968/420 - After reducing the fraction, the answer is 242/105
- In mixed form: 232/105
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