Add 1/24 and 70/21
1st number: 1/24, 2nd number: 3 7/21
1/24 + 70/21 is 27/8.
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,
1/24 = 1 × 7/24 × 7 = 7/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
70/21 = 70 × 8/21 × 8 = 560/168 - Add the two like fractions:
7/168 + 560/168 = 7 + 560/168 = 567/168 - 567/168 simplified gives 27/8
- So, 1/24 + 70/21 = 27/8
In mixed form: 33/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/24+70/21 1/48+70/21 1/24+70/42 3/24+70/21 1/72+70/21 1/24+70/63 5/24+70/21 7/24+70/21