Add 3/45 and 84/70, Solve 3/45 + 1 14/70 as a fraction

Add 3/45 and 84/70

1^st number: 3/45, 2^nd number: 1 14/70

3/45 + 84/70 is 19/15.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630
Add the two like fractions:
42/630 + 756/630 = 42 + 756/630 = 798/630
798/630 simplified gives 19/15
So, 3/45 + 84/70 = 19/15
In mixed form: 14/15

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