Subtract 84/20 from 84/16
1st number: 5 4/16, 2nd number: 4 4/20
84/16 - 84/20 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
84/16 = 84 × 5/16 × 5 = 420/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
84/20 = 84 × 4/20 × 4 = 336/80 - Subtract the two like fractions:
420/80 - 336/80 = 420 - 336/80 = 84/80 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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