Subtract 70/30 from 49/90
1st number: 49/90, 2nd number: 2 10/30
49/90 - 70/30 is -161/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
49/90 = 49 × 1/90 × 1 = 49/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Subtract the two like fractions:
49/90 - 210/90 = 49 - 210/90 = -161/90
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