Subtract 42/20 from 70/32
1st number: 2 6/32, 2nd number: 2 2/20
70/32 - 42/20 is 7/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
70/32 = 70 × 5/32 × 5 = 350/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
42/20 = 42 × 8/20 × 8 = 336/160 - Subtract the two like fractions:
350/160 - 336/160 = 350 - 336/160 = 14/160 - After reducing the fraction, the answer is 7/80
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