Add 14/4 and 28/40
1st number: 3 2/4, 2nd number: 28/40
14/4 + 28/40 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
14/4 = 14 × 10/4 × 10 = 140/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Add the two like fractions:
140/40 + 28/40 = 140 + 28/40 = 168/40 - 168/40 simplified gives 21/5
- So, 14/4 + 28/40 = 21/5
In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/4+28/40 14/4+56/40 14/8+28/40 14/4+28/80 42/4+28/40 14/4+84/40 14/12+28/40 70/4+28/40 14/20+28/40 98/4+28/40 14/28+28/40