Add 80/72 and 42/18, Solve 1 8/72 + 2 6/18 as a fraction

Add 80/72 and 42/18

1^st number: 1 8/72, 2^nd number: 2 6/18

80/72 + 42/18 is 31/9.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72
Likewise, for the 2nd fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72
Add the two like fractions:
80/72 + 168/72 = 80 + 168/72 = 248/72
248/72 simplified gives 31/9
So, 80/72 + 42/18 = 31/9
In mixed form: 34/9

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