Subtract 40/18 from 20/16
1st number: 1 4/16, 2nd number: 2 4/18
20/16 - 40/18 is -35/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
40/18 = 40 × 8/18 × 8 = 320/144 - Subtract the two like fractions:
180/144 - 320/144 = 180 - 320/144 = -140/144 - After reducing the fraction, the answer is -35/36
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