Subtract 21/63 from 15/2
1st number: 7 1/2, 2nd number: 21/63
15/2 - 21/63 is 43/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
15/2 = 15 × 63/2 × 63 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Subtract the two like fractions:
945/126 - 42/126 = 945 - 42/126 = 903/126 - After reducing the fraction, the answer is 43/6
- In mixed form: 71/6
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