Add 35/24 and 1/21
1st number: 1 11/24, 2nd number: 1/21
35/24 + 1/21 is 253/168.
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,
35/24 = 35 × 7/24 × 7 = 245/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
1/21 = 1 × 8/21 × 8 = 8/168 - Add the two like fractions:
245/168 + 8/168 = 245 + 8/168 = 253/168 - So, 35/24 + 1/21 = 253/168
In mixed form: 185/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+1/21 35/24+2/21 35/48+1/21 35/24+1/42 35/24+3/21 35/72+1/21 35/24+1/63 35/24+5/21 35/24+7/21