Subtract 70/9 from 90/16
1st number: 5 10/16, 2nd number: 7 7/9
90/16 - 70/9 is -155/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
70/9 = 70 × 16/9 × 16 = 1120/144 - Subtract the two like fractions:
810/144 - 1120/144 = 810 - 1120/144 = -310/144 - After reducing the fraction, the answer is -155/72
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