Add 90/72 and 70/96
1st number: 1 18/72, 2nd number: 70/96
90/72 + 70/96 is 95/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 96 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
90/72 = 90 × 4/72 × 4 = 360/288 - Likewise, for the 2nd fraction, since 96 × 3 = 288,
70/96 = 70 × 3/96 × 3 = 210/288 - Add the two like fractions:
360/288 + 210/288 = 360 + 210/288 = 570/288 - 570/288 simplified gives 95/48
- So, 90/72 + 70/96 = 95/48
In mixed form: 147/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: