Add 10/9 and 20/72, Solve 1 1/9 + 20/72 as a fraction

Add 10/9 and 20/72

1^st number: 1 1/9, 2^nd number: 20/72

10/9 + 20/72 is 25/18.

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

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
10/9 = 10 × 8/9 × 8 = 80/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72
Add the two like fractions:
80/72 + 20/72 = 80 + 20/72 = 100/72
100/72 simplified gives 25/18
So, 10/9 + 20/72 = 25/18
In mixed form: 17/18

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