Add 90/84 and 60/24
1st number: 1 6/84, 2nd number: 2 12/24
90/84 + 60/24 is 25/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
60/24 = 60 × 7/24 × 7 = 420/168 - Add the two like fractions:
180/168 + 420/168 = 180 + 420/168 = 600/168 - 600/168 simplified gives 25/7
- So, 90/84 + 60/24 = 25/7
In mixed form: 34/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+60/48 90/84+60/72