Add 63/20 and 18/40
1st number: 3 3/20, 2nd number: 18/40
63/20 + 18/40 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
63/20 = 63 × 2/20 × 2 = 126/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Add the two like fractions:
126/40 + 18/40 = 126 + 18/40 = 144/40 - 144/40 simplified gives 18/5
- So, 63/20 + 18/40 = 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: 63/20+36/40 63/40+18/40 63/20+18/80 63/20+54/40 63/60+18/40 63/20+90/40