Add 7/90 and 84/70, Solve 7/90 + 1 14/70 as a fraction

Add 7/90 and 84/70

1^st number: 7/90, 2^nd number: 1 14/70

7/90 + 84/70 is 23/18.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630
Add the two like fractions:
49/630 + 756/630 = 49 + 756/630 = 805/630
805/630 simplified gives 23/18
So, 7/90 + 84/70 = 23/18
In mixed form: 15/18

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