Subtract 98/18 from 28/70
1st number: 28/70, 2nd number: 5 8/18
28/70 - 98/18 is -227/45.
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,
28/70 = 28 × 9/70 × 9 = 252/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
98/18 = 98 × 35/18 × 35 = 3430/630 - Subtract the two like fractions:
252/630 - 3430/630 = 252 - 3430/630 = -3178/630 - After reducing the fraction, the answer is -227/45
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