Subtract 15/27 from 30/20
1st number: 1 10/20, 2nd number: 15/27
30/20 - 15/27 is 17/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
30/20 = 30 × 27/20 × 27 = 810/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Subtract the two like fractions:
810/540 - 300/540 = 810 - 300/540 = 510/540 - After reducing the fraction, the answer is 17/18
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