Subtract 21/7 from 7/48
1st number: 7/48, 2nd number: 3 0/7
7/48 - 21/7 is -137/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
21/7 = 21 × 48/7 × 48 = 1008/336 - Subtract the two like fractions:
49/336 - 1008/336 = 49 - 1008/336 = -959/336 - After reducing the fraction, the answer is -137/48
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