Subtract 75/18 from 70/90
1st number: 70/90, 2nd number: 4 3/18
70/90 - 75/18 is -61/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 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 18 × 5 = 90,
75/18 = 75 × 5/18 × 5 = 375/90 - Subtract the two like fractions:
70/90 - 375/90 = 70 - 375/90 = -305/90 - After reducing the fraction, the answer is -61/18
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