Subtract 70/10 from 75/18
1st number: 4 3/18, 2nd number: 7 0/10
75/18 - 70/10 is -17/6.
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,
75/18 = 75 × 5/18 × 5 = 375/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Subtract the two like fractions:
375/90 - 630/90 = 375 - 630/90 = -255/90 - After reducing the fraction, the answer is -17/6
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