Subtract 20/80 from 84/32
1st number: 2 20/32, 2nd number: 20/80
84/32 - 20/80 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 80 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
84/32 = 84 × 5/32 × 5 = 420/160 - Likewise, for the 2nd fraction, since 80 × 2 = 160,
20/80 = 20 × 2/80 × 2 = 40/160 - Subtract the two like fractions:
420/160 - 40/160 = 420 - 40/160 = 380/160 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
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