Subtract 90/6 from 70/45
1st number: 1 25/45, 2nd number: 15 0/6
70/45 - 90/6 is -121/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
90/6 = 90 × 15/6 × 15 = 1350/90 - Subtract the two like fractions:
140/90 - 1350/90 = 140 - 1350/90 = -1210/90 - After reducing the fraction, the answer is -121/9
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