Subtract 1/80 from 90/8
1st number: 11 2/8, 2nd number: 1/80
90/8 - 1/80 is 899/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
90/8 = 90 × 10/8 × 10 = 900/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Subtract the two like fractions:
900/80 - 1/80 = 900 - 1/80 = 899/80 - In mixed form: 1119/80
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