Add 40/4 and 5/15
1st number: 10 0/4, 2nd number: 5/15
40/4 + 5/15 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
40/4 = 40 × 15/4 × 15 = 600/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
5/15 = 5 × 4/15 × 4 = 20/60 - Add the two like fractions:
600/60 + 20/60 = 600 + 20/60 = 620/60 - 620/60 simplified gives 31/3
- So, 40/4 + 5/15 = 31/3
In mixed form: 101/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+5/15 40/4+10/15 40/8+5/15 40/4+5/30 40/12+5/15 40/4+5/45 40/4+25/15 40/20+5/15 40/4+5/75 40/4+35/15 40/28+5/15