Add 18/63 and 30/60
18/63 + 30/60 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
18/63 = 18 × 20/63 × 20 = 360/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
30/60 = 30 × 21/60 × 21 = 630/1260 - Add the two like fractions:
360/1260 + 630/1260 = 360 + 630/1260 = 990/1260 - 990/1260 simplified gives 11/14
- So, 18/63 + 30/60 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+30/60 54/63+30/60 18/63+90/60 90/63+30/60