Add 3/48 and 20/45
3/48 + 20/45 is 73/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
3/48 = 3 × 15/48 × 15 = 45/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
20/45 = 20 × 16/45 × 16 = 320/720 - Add the two like fractions:
45/720 + 320/720 = 45 + 320/720 = 365/720 - 365/720 simplified gives 73/144
- So, 3/48 + 20/45 = 73/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/48+20/45 3/48+40/45 3/96+20/45 3/48+20/90 9/48+20/45 3/48+60/45 15/48+20/45 21/48+20/45