Subtract 90/20 from 60/16
1st number: 3 12/16, 2nd number: 4 10/20
60/16 - 90/20 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
60/16 = 60 × 5/16 × 5 = 300/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
90/20 = 90 × 4/20 × 4 = 360/80 - Subtract the two like fractions:
300/80 - 360/80 = 300 - 360/80 = -60/80 - After reducing the fraction, the answer is -3/4
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