Subtract 90/8 from 7/80
1st number: 7/80, 2nd number: 11 2/8
7/80 - 90/8 is -893/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
90/8 = 90 × 10/8 × 10 = 900/80 - Subtract the two like fractions:
7/80 - 900/80 = 7 - 900/80 = -893/80
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