Add 27/60 and 30/63
27/60 + 30/63 is 389/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
27/60 = 27 × 21/60 × 21 = 567/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
30/63 = 30 × 20/63 × 20 = 600/1260 - Add the two like fractions:
567/1260 + 600/1260 = 567 + 600/1260 = 1167/1260 - 1167/1260 simplified gives 389/420
- So, 27/60 + 30/63 = 389/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+30/63 27/60+60/63 81/60+30/63 27/60+90/63