Add 63/18 and 4/40
1st number: 3 9/18, 2nd number: 4/40
63/18 + 4/40 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
63/18 = 63 × 20/18 × 20 = 1260/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Add the two like fractions:
1260/360 + 36/360 = 1260 + 36/360 = 1296/360 - 1296/360 simplified gives 18/5
- So, 63/18 + 4/40 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+8/40 63/36+4/40 63/18+4/80 63/18+12/40 63/54+4/40 63/18+20/40 63/90+4/40 63/18+28/40