Add 3/7 and 81/24
1st number: 3/7, 2nd number: 3 9/24
3/7 + 81/24 is 213/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
3/7 = 3 × 24/7 × 24 = 72/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
81/24 = 81 × 7/24 × 7 = 567/168 - Add the two like fractions:
72/168 + 567/168 = 72 + 567/168 = 639/168 - 639/168 simplified gives 213/56
- So, 3/7 + 81/24 = 213/56
In mixed form: 345/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+81/24 3/14+81/24 3/7+81/48 9/7+81/24 3/21+81/24 3/7+81/72 15/7+81/24 3/35+81/24 21/7+81/24 3/49+81/24