Subtract 84/18 from 70/25
1st number: 2 20/25, 2nd number: 4 12/18
70/25 - 84/18 is -28/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
70/25 = 70 × 18/25 × 18 = 1260/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
84/18 = 84 × 25/18 × 25 = 2100/450 - Subtract the two like fractions:
1260/450 - 2100/450 = 1260 - 2100/450 = -840/450 - After reducing the fraction, the answer is -28/15
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