Add 40/21 and 8/30, Solve 1 19/21 + 8/30 as a fraction

Add 40/21 and 8/30

1^st number: 1 19/21, 2^nd number: 8/30

40/21 + 8/30 is 76/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
40/21 = 40 × 10/21 × 10 = 400/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210
Add the two like fractions:
400/210 + 56/210 = 400 + 56/210 = 456/210
456/210 simplified gives 76/35
So, 40/21 + 8/30 = 76/35
In mixed form: 26/35

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