Add 72/15 and 80/8
1st number: 4 12/15, 2nd number: 10 0/8
72/15 + 80/8 is 74/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
72/15 = 72 × 8/15 × 8 = 576/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
80/8 = 80 × 15/8 × 15 = 1200/120 - Add the two like fractions:
576/120 + 1200/120 = 576 + 1200/120 = 1776/120 - 1776/120 simplified gives 74/5
- So, 72/15 + 80/8 = 74/5
In mixed form: 144/5
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