Subtract 90/16 from 98/18
1st number: 5 8/18, 2nd number: 5 10/16
98/18 - 90/16 is -13/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
98/18 = 98 × 8/18 × 8 = 784/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144 - Subtract the two like fractions:
784/144 - 810/144 = 784 - 810/144 = -26/144 - After reducing the fraction, the answer is -13/72
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