Subtract 42/72 from 90/16
1st number: 5 10/16, 2nd number: 42/72
90/16 - 42/72 is 121/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 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 72 × 2 = 144,
42/72 = 42 × 2/72 × 2 = 84/144 - Subtract the two like fractions:
810/144 - 84/144 = 810 - 84/144 = 726/144 - After reducing the fraction, the answer is 121/24
- In mixed form: 51/24
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