Add 4/40 and 63/54
1st number: 4/40, 2nd number: 1 9/54
4/40 + 63/54 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
4/40 = 4 × 27/40 × 27 = 108/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
63/54 = 63 × 20/54 × 20 = 1260/1080 - Add the two like fractions:
108/1080 + 1260/1080 = 108 + 1260/1080 = 1368/1080 - 1368/1080 simplified gives 19/15
- So, 4/40 + 63/54 = 19/15
In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+63/54 4/80+63/54 12/40+63/54 20/40+63/54 28/40+63/54