Add 18/72 and 70/9, Solve 18/72 + 7 7/9 as a fraction

Add 18/72 and 70/9

1^st number: 18/72, 2^nd number: 7 7/9

18/72 + 70/9 is 289/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72
Add the two like fractions:
18/72 + 560/72 = 18 + 560/72 = 578/72
578/72 simplified gives 289/36
So, 18/72 + 70/9 = 289/36
In mixed form: 81/36

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