Subtract 25/18 from 49/70
1st number: 49/70, 2nd number: 1 7/18
49/70 - 25/18 is -31/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
25/18 = 25 × 35/18 × 35 = 875/630 - Subtract the two like fractions:
441/630 - 875/630 = 441 - 875/630 = -434/630 - After reducing the fraction, the answer is -31/45
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