Add 30/63 and 4/80
30/63 + 4/80 is 221/420.
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,
30/63 = 30 × 80/63 × 80 = 2400/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
4/80 = 4 × 63/80 × 63 = 252/5040 - Add the two like fractions:
2400/5040 + 252/5040 = 2400 + 252/5040 = 2652/5040 - 2652/5040 simplified gives 221/420
- So, 30/63 + 4/80 = 221/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+4/80 30/63+8/80 90/63+4/80 30/63+12/80 30/63+20/80 30/63+28/80