Subtract 7/60 from 54/21
1st number: 2 12/21, 2nd number: 7/60
54/21 - 7/60 is 1031/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
54/21 = 54 × 20/21 × 20 = 1080/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
7/60 = 7 × 7/60 × 7 = 49/420 - Subtract the two like fractions:
1080/420 - 49/420 = 1080 - 49/420 = 1031/420 - In mixed form: 2191/420
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