Add 27/63 and 60/30
1st number: 27/63, 2nd number: 2 0/30
27/63 + 60/30 is 17/7.
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,
60/30 = 60 × 21/30 × 21 = 1260/630 - Add the two like fractions:
270/630 + 1260/630 = 270 + 1260/630 = 1530/630 - 1530/630 simplified gives 17/7
- So, 27/63 + 60/30 = 17/7
In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+60/30 81/63+60/30 27/63+60/90