Add 8/4 and 35/21
1st number: 2 0/4, 2nd number: 1 14/21
8/4 + 35/21 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
8/4 = 8 × 21/4 × 21 = 168/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
35/21 = 35 × 4/21 × 4 = 140/84 - Add the two like fractions:
168/84 + 140/84 = 168 + 140/84 = 308/84 - 308/84 simplified gives 11/3
- So, 8/4 + 35/21 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4+35/21 8/4+70/21 8/4+35/42 24/4+35/21 8/12+35/21 8/4+35/63 40/4+35/21 8/20+35/21 56/4+35/21 8/28+35/21