Subtract 96/90 from 21/48
1st number: 21/48, 2nd number: 1 6/90
21/48 - 96/90 is -151/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
21/48 = 21 × 15/48 × 15 = 315/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
96/90 = 96 × 8/90 × 8 = 768/720 - Subtract the two like fractions:
315/720 - 768/720 = 315 - 768/720 = -453/720 - After reducing the fraction, the answer is -151/240
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