Add 28/12 and 80/72
1st number: 2 4/12, 2nd number: 1 8/72
28/12 + 80/72 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
28/12 = 28 × 6/12 × 6 = 168/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72 - Add the two like fractions:
168/72 + 80/72 = 168 + 80/72 = 248/72 - 248/72 simplified gives 31/9
- So, 28/12 + 80/72 = 31/9
In mixed form: 34/9
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