Subtract 49/10 from 70/90
1st number: 70/90, 2nd number: 4 9/10
70/90 - 49/10 is -371/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
49/10 = 49 × 9/10 × 9 = 441/90 - Subtract the two like fractions:
70/90 - 441/90 = 70 - 441/90 = -371/90
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