Add 80/90 and 42/96
80/90 + 42/96 is 191/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
80/90 = 80 × 16/90 × 16 = 1280/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
42/96 = 42 × 15/96 × 15 = 630/1440 - Add the two like fractions:
1280/1440 + 630/1440 = 1280 + 630/1440 = 1910/1440 - 1910/1440 simplified gives 191/144
- So, 80/90 + 42/96 = 191/144
In mixed form: 147/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+84/96