Subtract 20/16 from 84/15
1st number: 5 9/15, 2nd number: 1 4/16
84/15 - 20/16 is 87/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
84/15 = 84 × 16/15 × 16 = 1344/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Subtract the two like fractions:
1344/240 - 300/240 = 1344 - 300/240 = 1044/240 - After reducing the fraction, the answer is 87/20
- In mixed form: 47/20
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