Subtract 98/16 from 42/90
1st number: 42/90, 2nd number: 6 2/16
42/90 - 98/16 is -679/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
98/16 = 98 × 45/16 × 45 = 4410/720 - Subtract the two like fractions:
336/720 - 4410/720 = 336 - 4410/720 = -4074/720 - After reducing the fraction, the answer is -679/120
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