Subtract 15/63 from 50/21
1st number: 2 8/21, 2nd number: 15/63
50/21 - 15/63 is 15/7.
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,
50/21 = 50 × 3/21 × 3 = 150/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
15/63 = 15 × 1/63 × 1 = 15/63 - Subtract the two like fractions:
150/63 - 15/63 = 150 - 15/63 = 135/63 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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