Add 18/60 and 56/21, Solve 18/60 + 2 14/21 as a fraction

Add 18/60 and 56/21

1^st number: 18/60, 2^nd number: 2 14/21

18/60 + 56/21 is 89/30.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
56/21 = 56 × 20/21 × 20 = 1120/420
Add the two like fractions:
126/420 + 1120/420 = 126 + 1120/420 = 1246/420
1246/420 simplified gives 89/30
So, 18/60 + 56/21 = 89/30
In mixed form: 229/30

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