Add 80/15 and 7/12, Solve 5 5/15 + 7/12 as a fraction

Add 80/15 and 7/12

1^st number: 5 5/15, 2^nd number: 7/12

80/15 + 7/12 is 71/12.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 15 × 4 = 60,
80/15 = 80 × 4/15 × 4 = 320/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
7/12 = 7 × 5/12 × 5 = 35/60
Add the two like fractions:
320/60 + 35/60 = 320 + 35/60 = 355/60
355/60 simplified gives 71/12
So, 80/15 + 7/12 = 71/12
In mixed form: 511/12

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