Add 80/28 and 10/15
1st number: 2 24/28, 2nd number: 10/15
80/28 + 10/15 is 74/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
80/28 = 80 × 15/28 × 15 = 1200/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
10/15 = 10 × 28/15 × 28 = 280/420 - Add the two like fractions:
1200/420 + 280/420 = 1200 + 280/420 = 1480/420 - 1480/420 simplified gives 74/21
- So, 80/28 + 10/15 = 74/21
In mixed form: 311/21
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