Add 6/70 and 84/45, Solve 6/70 + 1 39/45 as a fraction

Add 6/70 and 84/45

1^st number: 6/70, 2^nd number: 1 39/45

6/70 + 84/45 is 41/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
84/45 = 84 × 14/45 × 14 = 1176/630
Add the two like fractions:
54/630 + 1176/630 = 54 + 1176/630 = 1230/630
1230/630 simplified gives 41/21
So, 6/70 + 84/45 = 41/21
In mixed form: 120/21

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