Subtract 45/63 from 72/14
1st number: 5 2/14, 2nd number: 45/63
72/14 - 45/63 is 31/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Subtract the two like fractions:
648/126 - 90/126 = 648 - 90/126 = 558/126 - After reducing the fraction, the answer is 31/7
- In mixed form: 43/7
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