Subtract 70/90 from 12/10
1st number: 1 2/10, 2nd number: 70/90
12/10 - 70/90 is 19/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
12/10 = 12 × 9/10 × 9 = 108/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Subtract the two like fractions:
108/90 - 70/90 = 108 - 70/90 = 38/90 - After reducing the fraction, the answer is 19/45
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