Add 30/80 and 48/63
30/80 + 48/63 is 191/168.
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,
30/80 = 30 × 63/80 × 63 = 1890/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
48/63 = 48 × 80/63 × 80 = 3840/5040 - Add the two like fractions:
1890/5040 + 3840/5040 = 1890 + 3840/5040 = 5730/5040 - 5730/5040 simplified gives 191/168
- So, 30/80 + 48/63 = 191/168
In mixed form: 123/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+48/63 30/80+96/63 90/80+48/63