Subtract 20/7 from 30/24
1st number: 1 6/24, 2nd number: 2 6/7
30/24 - 20/7 is -45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
20/7 = 20 × 24/7 × 24 = 480/168 - Subtract the two like fractions:
210/168 - 480/168 = 210 - 480/168 = -270/168 - After reducing the fraction, the answer is -45/28
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