Subtract 21/30 from 20/16
1st number: 1 4/16, 2nd number: 21/30
20/16 - 21/30 is 11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Subtract the two like fractions:
300/240 - 168/240 = 300 - 168/240 = 132/240 - After reducing the fraction, the answer is 11/20
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