Subtract 84/49 from 70/20
1st number: 3 10/20, 2nd number: 1 35/49
70/20 - 84/49 is 25/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
84/49 = 84 × 20/49 × 20 = 1680/980 - Subtract the two like fractions:
3430/980 - 1680/980 = 3430 - 1680/980 = 1750/980 - After reducing the fraction, the answer is 25/14
- In mixed form: 111/14
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