Add 14/84 and 24/21
1st number: 14/84, 2nd number: 1 3/21
14/84 + 24/21 is 55/42.
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,
14/84 = 14 × 1/84 × 1 = 14/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
24/21 = 24 × 4/21 × 4 = 96/84 - Add the two like fractions:
14/84 + 96/84 = 14 + 96/84 = 110/84 - 110/84 simplified gives 55/42
- So, 14/84 + 24/21 = 55/42
In mixed form: 113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84+24/21 14/84+48/21 14/84+24/42 42/84+24/21 14/84+72/21 14/84+24/63 70/84+24/21 98/84+24/21