Add 45/3 and 80/72, Solve 15 0/3 + 1 8/72 as a fraction

Add 45/3 and 80/72

1^st number: 15 0/3, 2^nd number: 1 8/72

45/3 + 80/72 is 145/9.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 3 × 24 = 72,
45/3 = 45 × 24/3 × 24 = 1080/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72
Add the two like fractions:
1080/72 + 80/72 = 1080 + 80/72 = 1160/72
1160/72 simplified gives 145/9
So, 45/3 + 80/72 = 145/9
In mixed form: 161/9

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