Add 48/90 and 45/80
48/90 + 45/80 is 263/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
48/90 = 48 × 8/90 × 8 = 384/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Add the two like fractions:
384/720 + 405/720 = 384 + 405/720 = 789/720 - 789/720 simplified gives 263/240
- So, 48/90 + 45/80 = 263/240
In mixed form: 123/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+45/80 48/90+90/80