Subtract 7/45 from 20/10
1st number: 2 0/10, 2nd number: 7/45
20/10 - 7/45 is 83/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
20/10 = 20 × 9/10 × 9 = 180/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Subtract the two like fractions:
180/90 - 14/90 = 180 - 14/90 = 166/90 - After reducing the fraction, the answer is 83/45
- In mixed form: 138/45
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