Subtract 28/70 from 18/36
18/36 - 28/70 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
18/36 = 18 × 35/36 × 35 = 630/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
28/70 = 28 × 18/70 × 18 = 504/1260 - Subtract the two like fractions:
630/1260 - 504/1260 = 630 - 504/1260 = 126/1260 - After reducing the fraction, the answer is 1/10
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