Add 35/4 and 25/21
1st number: 8 3/4, 2nd number: 1 4/21
35/4 + 25/21 is 835/84.
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,
35/4 = 35 × 21/4 × 21 = 735/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
25/21 = 25 × 4/21 × 4 = 100/84 - Add the two like fractions:
735/84 + 100/84 = 735 + 100/84 = 835/84 - So, 35/4 + 25/21 = 835/84
In mixed form: 979/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+25/21 35/4+50/21 35/8+25/21 35/4+25/42 35/4+75/21 35/12+25/21 35/4+25/63 35/20+25/21 35/28+25/21