Add 80/28 and 40/12
1st number: 2 24/28, 2nd number: 3 4/12
80/28 + 40/12 is 130/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
80/28 = 80 × 3/28 × 3 = 240/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84 - Add the two like fractions:
240/84 + 280/84 = 240 + 280/84 = 520/84 - 520/84 simplified gives 130/21
- So, 80/28 + 40/12 = 130/21
In mixed form: 64/21
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