Add 40/84 and 49/15, Solve 40/84 + 3 4/15 as a fraction

Add 40/84 and 49/15

1^st number: 40/84, 2^nd number: 3 4/15

40/84 + 49/15 is 131/35.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
40/84 = 40 × 5/84 × 5 = 200/420
Likewise, for the 2nd fraction, since 15 × 28 = 420,
49/15 = 49 × 28/15 × 28 = 1372/420
Add the two like fractions:
200/420 + 1372/420 = 200 + 1372/420 = 1572/420
1572/420 simplified gives 131/35
So, 40/84 + 49/15 = 131/35
In mixed form: 326/35

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