Add 2/45 and 40/21, Solve 2/45 + 1 19/21 as a fraction

Add 2/45 and 40/21

1^st number: 2/45, 2^nd number: 1 19/21

2/45 + 40/21 is 614/315.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315
Likewise, for the 2nd fraction, since 21 × 15 = 315,
40/21 = 40 × 15/21 × 15 = 600/315
Add the two like fractions:
14/315 + 600/315 = 14 + 600/315 = 614/315
So, 2/45 + 40/21 = 614/315
In mixed form: 1299/315

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