Add 7/70 and 18/9, Solve 7/70 + 2 0/9 as a fraction

Add 7/70 and 18/9

1^st number: 7/70, 2^nd number: 2 0/9

7/70 + 18/9 is 21/10.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
18/9 = 18 × 70/9 × 70 = 1260/630
Add the two like fractions:
63/630 + 1260/630 = 63 + 1260/630 = 1323/630
1323/630 simplified gives 21/10
So, 7/70 + 18/9 = 21/10
In mixed form: 21/10

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