Subtract 21/60 from 49/28
1st number: 1 21/28, 2nd number: 21/60
49/28 - 21/60 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
49/28 = 49 × 15/28 × 15 = 735/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420 - Subtract the two like fractions:
735/420 - 147/420 = 735 - 147/420 = 588/420 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
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