Add 10/90 and 56/21, Solve 10/90 + 2 14/21 as a fraction

Add 10/90 and 56/21

1^st number: 10/90, 2^nd number: 2 14/21

10/90 + 56/21 is 25/9.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
10/90 = 10 × 7/90 × 7 = 70/630
Likewise, for the 2nd fraction, since 21 × 30 = 630,
56/21 = 56 × 30/21 × 30 = 1680/630
Add the two like fractions:
70/630 + 1680/630 = 70 + 1680/630 = 1750/630
1750/630 simplified gives 25/9
So, 10/90 + 56/21 = 25/9
In mixed form: 27/9

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