Add 63/40 and 30/48
1st number: 1 23/40, 2nd number: 30/48
63/40 + 30/48 is 11/5.
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,
63/40 = 63 × 6/40 × 6 = 378/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
30/48 = 30 × 5/48 × 5 = 150/240 - Add the two like fractions:
378/240 + 150/240 = 378 + 150/240 = 528/240 - 528/240 simplified gives 11/5
- So, 63/40 + 30/48 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40+60/48 63/80+30/48 63/40+30/96 63/40+90/48