Subtract 70/45 from 18/25
1st number: 18/25, 2nd number: 1 25/45
18/25 - 70/45 is -188/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
18/25 = 18 × 9/25 × 9 = 162/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
70/45 = 70 × 5/45 × 5 = 350/225 - Subtract the two like fractions:
162/225 - 350/225 = 162 - 350/225 = -188/225
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