Subtract 40/45 from 27/10
1st number: 2 7/10, 2nd number: 40/45
27/10 - 40/45 is 163/90.
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,
27/10 = 27 × 9/10 × 9 = 243/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Subtract the two like fractions:
243/90 - 80/90 = 243 - 80/90 = 163/90 - In mixed form: 173/90
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