Add 3/45 and 60/80
3/45 + 60/80 is 49/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 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 80 × 9 = 720,
60/80 = 60 × 9/80 × 9 = 540/720 - Add the two like fractions:
48/720 + 540/720 = 48 + 540/720 = 588/720 - 588/720 simplified gives 49/60
- So, 3/45 + 60/80 = 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+60/80 3/90+60/80 9/45+60/80 15/45+60/80 21/45+60/80