Subtract 15/70 from 90/49
1st number: 1 41/49, 2nd number: 15/70
90/49 - 15/70 is 159/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
90/49 = 90 × 10/49 × 10 = 900/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
15/70 = 15 × 7/70 × 7 = 105/490 - Subtract the two like fractions:
900/490 - 105/490 = 900 - 105/490 = 795/490 - After reducing the fraction, the answer is 159/98
- In mixed form: 161/98
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