Subtract 18/4 from 30/28
1st number: 1 2/28, 2nd number: 4 2/4
30/28 - 18/4 is -24/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
30/28 = 30 × 1/28 × 1 = 30/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
18/4 = 18 × 7/4 × 7 = 126/28 - Subtract the two like fractions:
30/28 - 126/28 = 30 - 126/28 = -96/28 - After reducing the fraction, the answer is -24/7
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