Add 1/42 and 20/28
1/42 + 20/28 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
1/42 = 1 × 2/42 × 2 = 2/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84 - Add the two like fractions:
2/84 + 60/84 = 2 + 60/84 = 62/84 - 62/84 simplified gives 31/42
- So, 1/42 + 20/28 = 31/42
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