Add 12/10 and 25/21, Solve 1 2/10 + 1 4/21 as a fraction

Add 12/10 and 25/21

1^st number: 1 2/10, 2^nd number: 1 4/21

12/10 + 25/21 is 251/105.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
25/21 = 25 × 10/21 × 10 = 250/210
Add the two like fractions:
252/210 + 250/210 = 252 + 250/210 = 502/210
502/210 simplified gives 251/105
So, 12/10 + 25/21 = 251/105
In mixed form: 241/105

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