Add 24/7 and 84/20, Solve 3 3/7 + 4 4/20 as a fraction

Add 24/7 and 84/20

1^st number: 3 3/7, 2^nd number: 4 4/20

24/7 + 84/20 is 267/35.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 7 × 20 = 140,
24/7 = 24 × 20/7 × 20 = 480/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
84/20 = 84 × 7/20 × 7 = 588/140
Add the two like fractions:
480/140 + 588/140 = 480 + 588/140 = 1068/140
1068/140 simplified gives 267/35
So, 24/7 + 84/20 = 267/35
In mixed form: 722/35

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