Add 4/9 and 72/70, Solve 4/9 + 1 2/70 as a fraction

Add 4/9 and 72/70

1^st number: 4/9, 2^nd number: 1 2/70

4/9 + 72/70 is 464/315.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
4/9 = 4 × 70/9 × 70 = 280/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630
Add the two like fractions:
280/630 + 648/630 = 280 + 648/630 = 928/630
928/630 simplified gives 464/315
So, 4/9 + 72/70 = 464/315
In mixed form: 1149/315

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