Add 49/21 and 24/10, Solve 2 7/21 + 2 4/10 as a fraction

Add 49/21 and 24/10

1^st number: 2 7/21, 2^nd number: 2 4/10

49/21 + 24/10 is 71/15.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
49/21 = 49 × 10/21 × 10 = 490/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
24/10 = 24 × 21/10 × 21 = 504/210
Add the two like fractions:
490/210 + 504/210 = 490 + 504/210 = 994/210
994/210 simplified gives 71/15
So, 49/21 + 24/10 = 71/15
In mixed form: 411/15

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