Subtract 90/48 from 6/21
1st number: 6/21, 2nd number: 1 42/48
6/21 - 90/48 is -89/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
6/21 = 6 × 16/21 × 16 = 96/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Subtract the two like fractions:
96/336 - 630/336 = 96 - 630/336 = -534/336 - After reducing the fraction, the answer is -89/56
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