Subtract 90/32 from 60/40
1st number: 1 20/40, 2nd number: 2 26/32
60/40 - 90/32 is -21/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 40 × 4 = 160,
60/40 = 60 × 4/40 × 4 = 240/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
90/32 = 90 × 5/32 × 5 = 450/160 - Subtract the two like fractions:
240/160 - 450/160 = 240 - 450/160 = -210/160 - After reducing the fraction, the answer is -21/16
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