Add 30/40 and 63/48
1st number: 30/40, 2nd number: 1 15/48
30/40 + 63/48 is 33/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
30/40 = 30 × 6/40 × 6 = 180/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
63/48 = 63 × 5/48 × 5 = 315/240 - Add the two like fractions:
180/240 + 315/240 = 180 + 315/240 = 495/240 - 495/240 simplified gives 33/16
- So, 30/40 + 63/48 = 33/16
In mixed form: 21/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+63/48 30/80+63/48 30/40+63/96 90/40+63/48