Subtract 12/28 from 3/10
3/10 - 12/28 is -9/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
3/10 = 3 × 14/10 × 14 = 42/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Subtract the two like fractions:
42/140 - 60/140 = 42 - 60/140 = -18/140 - After reducing the fraction, the answer is -9/70
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