Add 25/21 and 27/8
1st number: 1 4/21, 2nd number: 3 3/8
25/21 + 27/8 is 767/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
25/21 = 25 × 8/21 × 8 = 200/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
27/8 = 27 × 21/8 × 21 = 567/168 - Add the two like fractions:
200/168 + 567/168 = 200 + 567/168 = 767/168 - So, 25/21 + 27/8 = 767/168
In mixed form: 495/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+27/8 25/21+54/8 25/42+27/8 25/21+27/16 75/21+27/8 25/21+81/8 25/63+27/8 25/21+27/24 25/21+27/40 25/21+27/56