Subtract 45/32 from 40/20
1st number: 2 0/20, 2nd number: 1 13/32
40/20 - 45/32 is 19/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
40/20 = 40 × 8/20 × 8 = 320/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
45/32 = 45 × 5/32 × 5 = 225/160 - Subtract the two like fractions:
320/160 - 225/160 = 320 - 225/160 = 95/160 - After reducing the fraction, the answer is 19/32
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