Add 2/24 and 12/21
2/24 + 12/21 is 55/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
2/24 = 2 × 7/24 × 7 = 14/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
12/21 = 12 × 8/21 × 8 = 96/168 - Add the two like fractions:
14/168 + 96/168 = 14 + 96/168 = 110/168 - 110/168 simplified gives 55/84
- So, 2/24 + 12/21 = 55/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/24+12/21 2/24+24/21 2/48+12/21 2/24+12/42 6/24+12/21 2/24+36/21 2/72+12/21 2/24+12/63 10/24+12/21 2/24+60/21 14/24+12/21 2/24+84/21