Add 40/42 and 80/35, Solve 40/42 + 2 10/35 as a fraction

Add 40/42 and 80/35

1^st number: 40/42, 2^nd number: 2 10/35

40/42 + 80/35 is 68/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
40/42 = 40 × 5/42 × 5 = 200/210
Likewise, for the 2nd fraction, since 35 × 6 = 210,
80/35 = 80 × 6/35 × 6 = 480/210
Add the two like fractions:
200/210 + 480/210 = 200 + 480/210 = 680/210
680/210 simplified gives 68/21
So, 40/42 + 80/35 = 68/21
In mixed form: 35/21

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