Subtract 9/28 from 40/45
40/45 - 9/28 is 143/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
40/45 = 40 × 28/45 × 28 = 1120/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
9/28 = 9 × 45/28 × 45 = 405/1260 - Subtract the two like fractions:
1120/1260 - 405/1260 = 1120 - 405/1260 = 715/1260 - After reducing the fraction, the answer is 143/252
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