Subtract 63/72 from 90/8
1st number: 11 2/8, 2nd number: 63/72
90/8 - 63/72 is 83/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 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 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Subtract the two like fractions:
810/72 - 63/72 = 810 - 63/72 = 747/72 - After reducing the fraction, the answer is 83/8
- In mixed form: 103/8
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