Add 9/10 and 50/21, Solve 9/10 + 2 8/21 as a fraction

Add 9/10 and 50/21

1^st number: 9/10, 2^nd number: 2 8/21

9/10 + 50/21 is 689/210.

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,
9/10 = 9 × 21/10 × 21 = 189/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
50/21 = 50 × 10/21 × 10 = 500/210
Add the two like fractions:
189/210 + 500/210 = 189 + 500/210 = 689/210
So, 9/10 + 50/21 = 689/210
In mixed form: 359/210

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