Subtract 90/48 from 21/14
1st number: 1 7/14, 2nd number: 1 42/48
21/14 - 90/48 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 14 × 24 = 336,
21/14 = 21 × 24/14 × 24 = 504/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Subtract the two like fractions:
504/336 - 630/336 = 504 - 630/336 = -126/336 - After reducing the fraction, the answer is -3/8
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