Subtract 72/63 from 1/3
1st number: 1/3, 2nd number: 1 9/63
1/3 - 72/63 is -17/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
1/3 = 1 × 21/3 × 21 = 21/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Subtract the two like fractions:
21/63 - 72/63 = 21 - 72/63 = -51/63 - After reducing the fraction, the answer is -17/21
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