Add 9/80 and 45/63
9/80 + 45/63 is 463/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
9/80 = 9 × 63/80 × 63 = 567/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
45/63 = 45 × 80/63 × 80 = 3600/5040 - Add the two like fractions:
567/5040 + 3600/5040 = 567 + 3600/5040 = 4167/5040 - 4167/5040 simplified gives 463/560
- So, 9/80 + 45/63 = 463/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+45/63 9/80+90/63 27/80+45/63 45/80+45/63 63/80+45/63