Add 84/49 and 42/20
1st number: 1 35/49, 2nd number: 2 2/20
84/49 + 42/20 is 267/70.
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,
84/49 = 84 × 20/49 × 20 = 1680/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
42/20 = 42 × 49/20 × 49 = 2058/980 - Add the two like fractions:
1680/980 + 2058/980 = 1680 + 2058/980 = 3738/980 - 3738/980 simplified gives 267/70
- So, 84/49 + 42/20 = 267/70
In mixed form: 357/70
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