Subtract 72/90 from 20/14
1st number: 1 6/14, 2nd number: 72/90
20/14 - 72/90 is 22/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
20/14 = 20 × 45/14 × 45 = 900/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Subtract the two like fractions:
900/630 - 504/630 = 900 - 504/630 = 396/630 - After reducing the fraction, the answer is 22/35
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