Add 90/48 and 15/80
1st number: 1 42/48, 2nd number: 15/80
90/48 + 15/80 is 33/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Add the two like fractions:
450/240 + 45/240 = 450 + 45/240 = 495/240 - 495/240 simplified gives 33/16
- So, 90/48 + 15/80 = 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: 90/48+30/80 90/96+15/80 90/48+45/80 90/48+75/80