Subtract 42/60 from 49/28
1st number: 1 21/28, 2nd number: 42/60
49/28 - 42/60 is 21/20.
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,
42/60 = 42 × 7/60 × 7 = 294/420 - Subtract the two like fractions:
735/420 - 294/420 = 735 - 294/420 = 441/420 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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