Subtract 25/28 from 30/35
30/35 - 25/28 is -1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
30/35 = 30 × 4/35 × 4 = 120/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
25/28 = 25 × 5/28 × 5 = 125/140 - Subtract the two like fractions:
120/140 - 125/140 = 120 - 125/140 = -5/140 - After reducing the fraction, the answer is -1/28
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