Subtract 28/60 from 21/14
1st number: 1 7/14, 2nd number: 28/60
21/14 - 28/60 is 31/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
21/14 = 21 × 30/14 × 30 = 630/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Subtract the two like fractions:
630/420 - 196/420 = 630 - 196/420 = 434/420 - After reducing the fraction, the answer is 31/30
- In mixed form: 11/30
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