Add 27/63 and 9/30
27/63 + 9/30 is 51/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
27/63 = 27 × 10/63 × 10 = 270/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
9/30 = 9 × 21/30 × 21 = 189/630 - Add the two like fractions:
270/630 + 189/630 = 270 + 189/630 = 459/630 - 459/630 simplified gives 51/70
- So, 27/63 + 9/30 = 51/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+9/30 27/63+18/30 27/63+9/60 81/63+9/30 27/63+27/30 27/63+9/90 27/63+45/30 27/63+63/30