Add 40/3 and 80/35, Solve 13 1/3 + 2 10/35 as a fraction

Add 40/3 and 80/35

1^st number: 13 1/3, 2^nd number: 2 10/35

40/3 + 80/35 is 328/21.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 3 × 35 = 105,
40/3 = 40 × 35/3 × 35 = 1400/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
80/35 = 80 × 3/35 × 3 = 240/105
Add the two like fractions:
1400/105 + 240/105 = 1400 + 240/105 = 1640/105
1640/105 simplified gives 328/21
So, 40/3 + 80/35 = 328/21
In mixed form: 1513/21

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