Add 45/80 and 5/63
45/80 + 5/63 is 647/1008.
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,
45/80 = 45 × 63/80 × 63 = 2835/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
5/63 = 5 × 80/63 × 80 = 400/5040 - Add the two like fractions:
2835/5040 + 400/5040 = 2835 + 400/5040 = 3235/5040 - 3235/5040 simplified gives 647/1008
- So, 45/80 + 5/63 = 647/1008
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+5/63 45/80+10/63 45/80+15/63 45/80+25/63 45/80+35/63