Add 28/8 and 80/18
1st number: 3 4/8, 2nd number: 4 8/18
28/8 + 80/18 is 143/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
80/18 = 80 × 4/18 × 4 = 320/72 - Add the two like fractions:
252/72 + 320/72 = 252 + 320/72 = 572/72 - 572/72 simplified gives 143/18
- So, 28/8 + 80/18 = 143/18
In mixed form: 717/18
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