Subtract 70/30 from 75/45
1st number: 1 30/45, 2nd number: 2 10/30
75/45 - 70/30 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
75/45 = 75 × 2/45 × 2 = 150/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Subtract the two like fractions:
150/90 - 210/90 = 150 - 210/90 = -60/90 - After reducing the fraction, the answer is -2/3
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