Add 20/24 and 3/42
20/24 + 3/42 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
3/42 = 3 × 4/42 × 4 = 12/168 - Add the two like fractions:
140/168 + 12/168 = 140 + 12/168 = 152/168 - 152/168 simplified gives 19/21
- So, 20/24 + 3/42 = 19/21
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