Subtract 90/8 from 7/72
1st number: 7/72, 2nd number: 11 2/8
7/72 - 90/8 is -803/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Subtract the two like fractions:
7/72 - 810/72 = 7 - 810/72 = -803/72
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