Subtract 30/45 from 15/10
1st number: 1 5/10, 2nd number: 30/45
15/10 - 30/45 is 5/6.
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,
15/10 = 15 × 9/10 × 9 = 135/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
30/45 = 30 × 2/45 × 2 = 60/90 - Subtract the two like fractions:
135/90 - 60/90 = 135 - 60/90 = 75/90 - After reducing the fraction, the answer is 5/6
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