Add 20/42 and 1/7
20/42 + 1/7 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
1/7 = 1 × 6/7 × 6 = 6/42 - Add the two like fractions:
20/42 + 6/42 = 20 + 6/42 = 26/42 - 26/42 simplified gives 13/21
- So, 20/42 + 1/7 = 13/21
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