Add 81/10 and 25/21, Solve 8 1/10 + 1 4/21 as a fraction

Add 81/10 and 25/21

1^st number: 8 1/10, 2^nd number: 1 4/21

81/10 + 25/21 is 1951/210.

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,
81/10 = 81 × 21/10 × 21 = 1701/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
25/21 = 25 × 10/21 × 10 = 250/210
Add the two like fractions:
1701/210 + 250/210 = 1701 + 250/210 = 1951/210
So, 81/10 + 25/21 = 1951/210
In mixed form: 961/210

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