Add 20/42 and 8/24
20/42 + 8/24 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
20/42 = 20 × 4/42 × 4 = 80/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
8/24 = 8 × 7/24 × 7 = 56/168 - Add the two like fractions:
80/168 + 56/168 = 80 + 56/168 = 136/168 - 136/168 simplified gives 17/21
- So, 20/42 + 8/24 = 17/21
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