Add 24/28 and 14/21
24/28 + 14/21 is 32/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
24/28 = 24 × 3/28 × 3 = 72/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Add the two like fractions:
72/84 + 56/84 = 72 + 56/84 = 128/84 - 128/84 simplified gives 32/21
- So, 24/28 + 14/21 = 32/21
In mixed form: 111/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28+14/21 24/28+28/21 24/56+14/21 24/28+14/42 72/28+14/21 24/28+42/21 24/84+14/21 24/28+14/63 24/28+70/21 24/28+98/21