Add 84/21 and 24/45, Solve 4 0/21 + 24/45 as a fraction

Add 84/21 and 24/45

1^st number: 4 0/21, 2^nd number: 24/45

84/21 + 24/45 is 68/15.

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

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 21 × 15 = 315,
84/21 = 84 × 15/21 × 15 = 1260/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
24/45 = 24 × 7/45 × 7 = 168/315
Add the two like fractions:
1260/315 + 168/315 = 1260 + 168/315 = 1428/315
1428/315 simplified gives 68/15
So, 84/21 + 24/45 = 68/15
In mixed form: 48/15

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