Add 15/40 and 75/48
1st number: 15/40, 2nd number: 1 27/48
15/40 + 75/48 is 31/16.
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,
15/40 = 15 × 6/40 × 6 = 90/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
75/48 = 75 × 5/48 × 5 = 375/240 - Add the two like fractions:
90/240 + 375/240 = 90 + 375/240 = 465/240 - 465/240 simplified gives 31/16
- So, 15/40 + 75/48 = 31/16
In mixed form: 115/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+75/48 15/80+75/48 15/40+75/96 45/40+75/48 75/40+75/48