Subtract 9/28 from 40/20
1st number: 2 0/20, 2nd number: 9/28
40/20 - 9/28 is 47/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
9/28 = 9 × 5/28 × 5 = 45/140 - Subtract the two like fractions:
280/140 - 45/140 = 280 - 45/140 = 235/140 - After reducing the fraction, the answer is 47/28
- In mixed form: 119/28
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