Subtract 54/45 from 10/30
1st number: 10/30, 2nd number: 1 9/45
10/30 - 54/45 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
10/30 = 10 × 3/30 × 3 = 30/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
54/45 = 54 × 2/45 × 2 = 108/90 - Subtract the two like fractions:
30/90 - 108/90 = 30 - 108/90 = -78/90 - After reducing the fraction, the answer is -13/15
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