Subtract 7/60 from 90/42
1st number: 2 6/42, 2nd number: 7/60
90/42 - 7/60 is 851/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
90/42 = 90 × 10/42 × 10 = 900/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
7/60 = 7 × 7/60 × 7 = 49/420 - Subtract the two like fractions:
900/420 - 49/420 = 900 - 49/420 = 851/420 - In mixed form: 211/420
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