Add 20/12 and 7/28
1st number: 1 8/12, 2nd number: 7/28
20/12 + 7/28 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
20/12 = 20 × 7/12 × 7 = 140/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
7/28 = 7 × 3/28 × 3 = 21/84 - Add the two like fractions:
140/84 + 21/84 = 140 + 21/84 = 161/84 - 161/84 simplified gives 23/12
- So, 20/12 + 7/28 = 23/12
In mixed form: 111/12
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