Add 8/45 and 72/70, Solve 8/45 + 1 2/70 as a fraction

Add 8/45 and 72/70

1^st number: 8/45, 2^nd number: 1 2/70

8/45 + 72/70 is 76/63.

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,
8/45 = 8 × 14/45 × 14 = 112/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630
Add the two like fractions:
112/630 + 648/630 = 112 + 648/630 = 760/630
760/630 simplified gives 76/63
So, 8/45 + 72/70 = 76/63
In mixed form: 113/63

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