Add 56/21 and 9/60, Solve 2 14/21 + 9/60 as a fraction

Add 56/21 and 9/60

1^st number: 2 14/21, 2^nd number: 9/60

56/21 + 9/60 is 169/60.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
56/21 = 56 × 20/21 × 20 = 1120/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420
Add the two like fractions:
1120/420 + 63/420 = 1120 + 63/420 = 1183/420
1183/420 simplified gives 169/60
So, 56/21 + 9/60 = 169/60
In mixed form: 249/60

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