Subtract 4/7 from 15/63
15/63 - 4/7 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
15/63 = 15 × 1/63 × 1 = 15/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
4/7 = 4 × 9/7 × 9 = 36/63 - Subtract the two like fractions:
15/63 - 36/63 = 15 - 36/63 = -21/63 - After reducing the fraction, the answer is -1/3
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