Subtract 20/63 from 15/2
1st number: 7 1/2, 2nd number: 20/63
15/2 - 20/63 is 905/126.
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,
20/63 = 20 × 2/63 × 2 = 40/126 - Subtract the two like fractions:
945/126 - 40/126 = 945 - 40/126 = 905/126 - In mixed form: 723/126
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