Add 90/48 and 40/36
1st number: 1 42/48, 2nd number: 1 4/36
90/48 + 40/36 is 215/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
90/48 = 90 × 3/48 × 3 = 270/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
40/36 = 40 × 4/36 × 4 = 160/144 - Add the two like fractions:
270/144 + 160/144 = 270 + 160/144 = 430/144 - 430/144 simplified gives 215/72
- So, 90/48 + 40/36 = 215/72
In mixed form: 271/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48+80/36 90/96+40/36 90/48+40/72