Add 75/90 and 36/48
75/90 + 36/48 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
75/90 = 75 × 8/90 × 8 = 600/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
36/48 = 36 × 15/48 × 15 = 540/720 - Add the two like fractions:
600/720 + 540/720 = 600 + 540/720 = 1140/720 - 1140/720 simplified gives 19/12
- So, 75/90 + 36/48 = 19/12
In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+72/48 75/90+36/96