Subtract 90/54 from 30/80
1st number: 30/80, 2nd number: 1 36/54
30/80 - 90/54 is -31/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
90/54 = 90 × 40/54 × 40 = 3600/2160 - Subtract the two like fractions:
810/2160 - 3600/2160 = 810 - 3600/2160 = -2790/2160 - After reducing the fraction, the answer is -31/24
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