Subtract 20/18 from 90/35
1st number: 2 20/35, 2nd number: 1 2/18
90/35 - 20/18 is 92/63.
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,
90/35 = 90 × 18/35 × 18 = 1620/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
20/18 = 20 × 35/18 × 35 = 700/630 - Subtract the two like fractions:
1620/630 - 700/630 = 1620 - 700/630 = 920/630 - After reducing the fraction, the answer is 92/63
- In mixed form: 129/63
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