Add 56/45 and 64/70, Solve 1 11/45 + 64/70 as a fraction

Add 56/45 and 64/70

1^st number: 1 11/45, 2^nd number: 64/70

56/45 + 64/70 is 136/63.

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,
56/45 = 56 × 14/45 × 14 = 784/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
64/70 = 64 × 9/70 × 9 = 576/630
Add the two like fractions:
784/630 + 576/630 = 784 + 576/630 = 1360/630
1360/630 simplified gives 136/63
So, 56/45 + 64/70 = 136/63
In mixed form: 210/63

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