Subtract 72/63 from 2/6
1st number: 2/6, 2nd number: 1 9/63
2/6 - 72/63 is -17/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
2/6 = 2 × 21/6 × 21 = 42/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
72/63 = 72 × 2/63 × 2 = 144/126 - Subtract the two like fractions:
42/126 - 144/126 = 42 - 144/126 = -102/126 - After reducing the fraction, the answer is -17/21
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