Subtract 49/10 from 70/18
1st number: 3 16/18, 2nd number: 4 9/10
70/18 - 49/10 is -91/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
49/10 = 49 × 9/10 × 9 = 441/90 - Subtract the two like fractions:
350/90 - 441/90 = 350 - 441/90 = -91/90
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