Add 70/49 and 7/20
1st number: 1 21/49, 2nd number: 7/20
70/49 + 7/20 is 249/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
70/49 = 70 × 20/49 × 20 = 1400/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
7/20 = 7 × 49/20 × 49 = 343/980 - Add the two like fractions:
1400/980 + 343/980 = 1400 + 343/980 = 1743/980 - 1743/980 simplified gives 249/140
- So, 70/49 + 7/20 = 249/140
In mixed form: 1109/140
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