Subtract 18/45 from 40/32
1st number: 1 8/32, 2nd number: 18/45
40/32 - 18/45 is 17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 45 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
40/32 = 40 × 45/32 × 45 = 1800/1440 - Likewise, for the 2nd fraction, since 45 × 32 = 1440,
18/45 = 18 × 32/45 × 32 = 576/1440 - Subtract the two like fractions:
1800/1440 - 576/1440 = 1800 - 576/1440 = 1224/1440 - After reducing the fraction, the answer is 17/20
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