Add 28/14 and 24/40
1st number: 2 0/14, 2nd number: 24/40
28/14 + 24/40 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
28/14 = 28 × 20/14 × 20 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
24/40 = 24 × 7/40 × 7 = 168/280 - Add the two like fractions:
560/280 + 168/280 = 560 + 168/280 = 728/280 - 728/280 simplified gives 13/5
- So, 28/14 + 24/40 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+24/40 28/14+48/40 28/14+24/80 84/14+24/40 28/14+72/40 28/42+24/40 28/70+24/40 28/98+24/40