Subtract 21/28 from 50/15
1st number: 3 5/15, 2nd number: 21/28
50/15 - 21/28 is 31/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
50/15 = 50 × 28/15 × 28 = 1400/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
21/28 = 21 × 15/28 × 15 = 315/420 - Subtract the two like fractions:
1400/420 - 315/420 = 1400 - 315/420 = 1085/420 - After reducing the fraction, the answer is 31/12
- In mixed form: 27/12
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