Add 35/70 and 40/21, Solve 35/70 + 1 19/21 as a fraction

Add 35/70 and 40/21

1^st number: 35/70, 2^nd number: 1 19/21

35/70 + 40/21 is 101/42.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
40/21 = 40 × 10/21 × 10 = 400/210
Add the two like fractions:
105/210 + 400/210 = 105 + 400/210 = 505/210
505/210 simplified gives 101/42
So, 35/70 + 40/21 = 101/42
In mixed form: 217/42

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