Subtract 40/16 from 12/5
1st number: 2 2/5, 2nd number: 2 8/16
12/5 - 40/16 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
12/5 = 12 × 16/5 × 16 = 192/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
40/16 = 40 × 5/16 × 5 = 200/80 - Subtract the two like fractions:
192/80 - 200/80 = 192 - 200/80 = -8/80 - After reducing the fraction, the answer is -1/10
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