Add 3/45 and 20/48
3/45 + 20/48 is 29/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
3/45 = 3 × 16/45 × 16 = 48/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
20/48 = 20 × 15/48 × 15 = 300/720 - Add the two like fractions:
48/720 + 300/720 = 48 + 300/720 = 348/720 - 348/720 simplified gives 29/60
- So, 3/45 + 20/48 = 29/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+20/48 3/45+40/48 3/90+20/48 3/45+20/96 9/45+20/48 3/45+60/48 15/45+20/48 21/45+20/48