Add 28/63 and 48/80
28/63 + 48/80 is 47/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
28/63 = 28 × 80/63 × 80 = 2240/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
48/80 = 48 × 63/80 × 63 = 3024/5040 - Add the two like fractions:
2240/5040 + 3024/5040 = 2240 + 3024/5040 = 5264/5040 - 5264/5040 simplified gives 47/45
- So, 28/63 + 48/80 = 47/45
In mixed form: 12/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+48/80 28/63+96/80 84/63+48/80