Subtract 30/75 from 90/84
1st number: 1 6/84, 2nd number: 30/75
90/84 - 30/75 is 47/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
90/84 = 90 × 25/84 × 25 = 2250/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
30/75 = 30 × 28/75 × 28 = 840/2100 - Subtract the two like fractions:
2250/2100 - 840/2100 = 2250 - 840/2100 = 1410/2100 - After reducing the fraction, the answer is 47/70
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