Add 20/12 and 50/42
1st number: 1 8/12, 2nd number: 1 8/42
20/12 + 50/42 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 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 42 × 2 = 84,
50/42 = 50 × 2/42 × 2 = 100/84 - Add the two like fractions:
140/84 + 100/84 = 140 + 100/84 = 240/84 - 240/84 simplified gives 20/7
- So, 20/12 + 50/42 = 20/7
In mixed form: 26/7
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