Subtract 12/15 from 40/18
1st number: 2 4/18, 2nd number: 12/15
40/18 - 12/15 is 64/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
12/15 = 12 × 6/15 × 6 = 72/90 - Subtract the two like fractions:
200/90 - 72/90 = 200 - 72/90 = 128/90 - After reducing the fraction, the answer is 64/45
- In mixed form: 119/45
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