Add 18/3 and 21/70, Solve 6 0/3 + 21/70 as a fraction

Add 18/3 and 21/70

1^st number: 6 0/3, 2^nd number: 21/70

18/3 + 21/70 is 63/10.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 3 × 70 = 210,
18/3 = 18 × 70/3 × 70 = 1260/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210
Add the two like fractions:
1260/210 + 63/210 = 1260 + 63/210 = 1323/210
1323/210 simplified gives 63/10
So, 18/3 + 21/70 = 63/10
In mixed form: 63/10

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