Add 40/21 and 5/14
1st number: 1 19/21, 2nd number: 5/14
40/21 + 5/14 is 95/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
40/21 = 40 × 2/21 × 2 = 80/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
5/14 = 5 × 3/14 × 3 = 15/42 - Add the two like fractions:
80/42 + 15/42 = 80 + 15/42 = 95/42 - So, 40/21 + 5/14 = 95/42
In mixed form: 211/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21+5/14 40/21+10/14 40/42+5/14 40/21+5/28 40/21+15/14 40/63+5/14 40/21+5/42 40/21+25/14 40/21+5/70 40/21+35/14 40/21+5/98