Subtract 70/18 from 28/35
1st number: 28/35, 2nd number: 3 16/18
28/35 - 70/18 is -139/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
28/35 = 28 × 18/35 × 18 = 504/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
70/18 = 70 × 35/18 × 35 = 2450/630 - Subtract the two like fractions:
504/630 - 2450/630 = 504 - 2450/630 = -1946/630 - After reducing the fraction, the answer is -139/45
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