Add 3/90 and 84/70, Solve 3/90 + 1 14/70 as a fraction

Add 3/90 and 84/70

1^st number: 3/90, 2^nd number: 1 14/70

3/90 + 84/70 is 37/30.

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,
3/90 = 3 × 7/90 × 7 = 21/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630
Add the two like fractions:
21/630 + 756/630 = 21 + 756/630 = 777/630
777/630 simplified gives 37/30
So, 3/90 + 84/70 = 37/30
In mixed form: 17/30

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