Add 54/21 and 4/10, Solve 2 12/21 + 4/10 as a fraction

Add 54/21 and 4/10

1^st number: 2 12/21, 2^nd number: 4/10

54/21 + 4/10 is 104/35.

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,
54/21 = 54 × 10/21 × 10 = 540/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
4/10 = 4 × 21/10 × 21 = 84/210
Add the two like fractions:
540/210 + 84/210 = 540 + 84/210 = 624/210
624/210 simplified gives 104/35
So, 54/21 + 4/10 = 104/35
In mixed form: 234/35

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