Add 96/28 and 49/21, Solve 3 12/28 + 2 7/21 as a fraction

Add 96/28 and 49/21

1^st number: 3 12/28, 2^nd number: 2 7/21

96/28 + 49/21 is 121/21.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
96/28 = 96 × 3/28 × 3 = 288/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
49/21 = 49 × 4/21 × 4 = 196/84
Add the two like fractions:
288/84 + 196/84 = 288 + 196/84 = 484/84
484/84 simplified gives 121/21
So, 96/28 + 49/21 = 121/21
In mixed form: 516/21

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