Subtract 30/7 from 63/36
1st number: 1 27/36, 2nd number: 4 2/7
63/36 - 30/7 is -71/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
30/7 = 30 × 36/7 × 36 = 1080/252 - Subtract the two like fractions:
441/252 - 1080/252 = 441 - 1080/252 = -639/252 - After reducing the fraction, the answer is -71/28
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