Subtract 25/70 from 7/18
7/18 - 25/70 is 2/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
7/18 = 7 × 35/18 × 35 = 245/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Subtract the two like fractions:
245/630 - 225/630 = 245 - 225/630 = 20/630 - After reducing the fraction, the answer is 2/63
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