Add 4/20 and 10/15
4/20 + 10/15 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
10/15 = 10 × 4/15 × 4 = 40/60 - Add the two like fractions:
12/60 + 40/60 = 12 + 40/60 = 52/60 - 52/60 simplified gives 13/15
- So, 4/20 + 10/15 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+10/15 4/20+20/15 4/40+10/15 4/20+10/30 12/20+10/15 4/20+30/15 4/60+10/15 4/20+10/45 4/20+50/15 4/20+10/75 28/20+10/15 4/20+70/15