Add 40/21 and 35/4
1st number: 1 19/21, 2nd number: 8 3/4
40/21 + 35/4 is 895/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
40/21 = 40 × 4/21 × 4 = 160/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
35/4 = 35 × 21/4 × 21 = 735/84 - Add the two like fractions:
160/84 + 735/84 = 160 + 735/84 = 895/84 - So, 40/21 + 35/4 = 895/84
In mixed form: 1055/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21+35/4 40/21+70/4 40/42+35/4 40/21+35/8 40/63+35/4 40/21+35/12 40/21+35/20 40/21+35/28