Subtract 42/36 from 90/8
1st number: 11 2/8, 2nd number: 1 6/36
90/8 - 42/36 is 121/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
42/36 = 42 × 2/36 × 2 = 84/72 - Subtract the two like fractions:
810/72 - 84/72 = 810 - 84/72 = 726/72 - After reducing the fraction, the answer is 121/12
- In mixed form: 101/12
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