Add 90/84 and 80/48
1st number: 1 6/84, 2nd number: 1 32/48
90/84 + 80/48 is 115/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
90/84 = 90 × 4/84 × 4 = 360/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
80/48 = 80 × 7/48 × 7 = 560/336 - Add the two like fractions:
360/336 + 560/336 = 360 + 560/336 = 920/336 - 920/336 simplified gives 115/42
- So, 90/84 + 80/48 = 115/42
In mixed form: 231/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+80/96