Add 63/30 and 72/63
1st number: 2 3/30, 2nd number: 1 9/63
63/30 + 72/63 is 227/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
63/30 = 63 × 21/30 × 21 = 1323/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Add the two like fractions:
1323/630 + 720/630 = 1323 + 720/630 = 2043/630 - 2043/630 simplified gives 227/70
- So, 63/30 + 72/63 = 227/70
In mixed form: 317/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+72/63 63/90+72/63