Subtract 21/63 from 16/8
1st number: 2 0/8, 2nd number: 21/63
16/8 - 21/63 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
16/8 = 16 × 63/8 × 63 = 1008/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504 - Subtract the two like fractions:
1008/504 - 168/504 = 1008 - 168/504 = 840/504 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
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