Add 40/18 and 8/21, Solve 2 4/18 + 8/21 as a fraction

Add 40/18 and 8/21

1^st number: 2 4/18, 2^nd number: 8/21

40/18 + 8/21 is 164/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126
Likewise, for the 2nd fraction, since 21 × 6 = 126,
8/21 = 8 × 6/21 × 6 = 48/126
Add the two like fractions:
280/126 + 48/126 = 280 + 48/126 = 328/126
328/126 simplified gives 164/63
So, 40/18 + 8/21 = 164/63
In mixed form: 238/63

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