Subtract 90/70 from 49/18
1st number: 2 13/18, 2nd number: 1 20/70
49/18 - 90/70 is 181/126.
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,
49/18 = 49 × 35/18 × 35 = 1715/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
90/70 = 90 × 9/70 × 9 = 810/630 - Subtract the two like fractions:
1715/630 - 810/630 = 1715 - 810/630 = 905/630 - After reducing the fraction, the answer is 181/126
- In mixed form: 155/126
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