Subtract 63/20 from 90/14
1st number: 6 6/14, 2nd number: 3 3/20
90/14 - 63/20 is 459/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
90/14 = 90 × 10/14 × 10 = 900/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Subtract the two like fractions:
900/140 - 441/140 = 900 - 441/140 = 459/140 - In mixed form: 339/140
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