Subtract 28/18 from 10/70
1st number: 10/70, 2nd number: 1 10/18
10/70 - 28/18 is -89/63.
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,
10/70 = 10 × 9/70 × 9 = 90/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
28/18 = 28 × 35/18 × 35 = 980/630 - Subtract the two like fractions:
90/630 - 980/630 = 90 - 980/630 = -890/630 - After reducing the fraction, the answer is -89/63
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