Add 30/36 and 63/40
1st number: 30/36, 2nd number: 1 23/40
30/36 + 63/40 is 289/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
30/36 = 30 × 10/36 × 10 = 300/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
63/40 = 63 × 9/40 × 9 = 567/360 - Add the two like fractions:
300/360 + 567/360 = 300 + 567/360 = 867/360 - 867/360 simplified gives 289/120
- So, 30/36 + 63/40 = 289/120
In mixed form: 249/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+63/40 30/72+63/40 30/36+63/80 90/36+63/40