Add 5/45 and 54/80
5/45 + 54/80 is 283/360.
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,
5/45 = 5 × 16/45 × 16 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
54/80 = 54 × 9/80 × 9 = 486/720 - Add the two like fractions:
80/720 + 486/720 = 80 + 486/720 = 566/720 - 566/720 simplified gives 283/360
- So, 5/45 + 54/80 = 283/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+54/80 5/90+54/80 15/45+54/80 25/45+54/80 35/45+54/80