Subtract 36/16 from 21/10
1st number: 2 1/10, 2nd number: 2 4/16
21/10 - 36/16 is -3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
21/10 = 21 × 8/10 × 8 = 168/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
36/16 = 36 × 5/16 × 5 = 180/80 - Subtract the two like fractions:
168/80 - 180/80 = 168 - 180/80 = -12/80 - After reducing the fraction, the answer is -3/20
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