Add 24/84 and 42/21
1st number: 24/84, 2nd number: 2 0/21
24/84 + 42/21 is 16/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
24/84 = 24 × 1/84 × 1 = 24/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
42/21 = 42 × 4/21 × 4 = 168/84 - Add the two like fractions:
24/84 + 168/84 = 24 + 168/84 = 192/84 - 192/84 simplified gives 16/7
- So, 24/84 + 42/21 = 16/7
In mixed form: 22/7
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