Add 18/48 and 63/20
1st number: 18/48, 2nd number: 3 3/20
18/48 + 63/20 is 141/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
63/20 = 63 × 12/20 × 12 = 756/240 - Add the two like fractions:
90/240 + 756/240 = 90 + 756/240 = 846/240 - 846/240 simplified gives 141/40
- So, 18/48 + 63/20 = 141/40
In mixed form: 321/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48+63/20 18/96+63/20 18/48+63/40 54/48+63/20 18/48+63/60 90/48+63/20