Add 15/48 and 20/40
15/48 + 20/40 is 13/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
15/48 = 15 × 5/48 × 5 = 75/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
20/40 = 20 × 6/40 × 6 = 120/240 - Add the two like fractions:
75/240 + 120/240 = 75 + 120/240 = 195/240 - 195/240 simplified gives 13/16
- So, 15/48 + 20/40 = 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/48+20/40 15/96+20/40 15/48+20/80 45/48+20/40 15/48+60/40 75/48+20/40