Subtract 90/9 from 70/15
1st number: 4 10/15, 2nd number: 10 0/9
70/15 - 90/9 is -16/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
90/9 = 90 × 5/9 × 5 = 450/45 - Subtract the two like fractions:
210/45 - 450/45 = 210 - 450/45 = -240/45 - After reducing the fraction, the answer is -16/3
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