Subtract 21/36 from 70/63
1st number: 1 7/63, 2nd number: 21/36
70/63 - 21/36 is 19/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
70/63 = 70 × 4/63 × 4 = 280/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Subtract the two like fractions:
280/252 - 147/252 = 280 - 147/252 = 133/252 - After reducing the fraction, the answer is 19/36
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