Subtract 18/70 from 7/36
7/36 - 18/70 is -79/1260.
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,
7/36 = 7 × 35/36 × 35 = 245/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
18/70 = 18 × 18/70 × 18 = 324/1260 - Subtract the two like fractions:
245/1260 - 324/1260 = 245 - 324/1260 = -79/1260
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