Subtract 70/14 from 7/90
1st number: 7/90, 2nd number: 5 0/14
7/90 - 70/14 is -443/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
70/14 = 70 × 45/14 × 45 = 3150/630 - Subtract the two like fractions:
49/630 - 3150/630 = 49 - 3150/630 = -3101/630 - After reducing the fraction, the answer is -443/90
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