Subtract 30/63 from 4/28
4/28 - 30/63 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
4/28 = 4 × 9/28 × 9 = 36/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Subtract the two like fractions:
36/252 - 120/252 = 36 - 120/252 = -84/252 - After reducing the fraction, the answer is -1/3
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