Subtract 16/63 from 27/21
1st number: 1 6/21, 2nd number: 16/63
27/21 - 16/63 is 65/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
27/21 = 27 × 3/21 × 3 = 81/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
16/63 = 16 × 1/63 × 1 = 16/63 - Subtract the two like fractions:
81/63 - 16/63 = 81 - 16/63 = 65/63 - In mixed form: 12/63
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