Subtract 18/45 from 40/48
40/48 - 18/45 is 13/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
40/48 = 40 × 15/48 × 15 = 600/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
18/45 = 18 × 16/45 × 16 = 288/720 - Subtract the two like fractions:
600/720 - 288/720 = 600 - 288/720 = 312/720 - After reducing the fraction, the answer is 13/30
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