Subtract 70/84 from 80/75
1st number: 1 5/75, 2nd number: 70/84
80/75 - 70/84 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
80/75 = 80 × 28/75 × 28 = 2240/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Subtract the two like fractions:
2240/2100 - 1750/2100 = 2240 - 1750/2100 = 490/2100 - After reducing the fraction, the answer is 7/30
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