Add 90/30 and 5/84
1st number: 3 0/30, 2nd number: 5/84
90/30 + 5/84 is 257/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
90/30 = 90 × 14/30 × 14 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Add the two like fractions:
1260/420 + 25/420 = 1260 + 25/420 = 1285/420 - 1285/420 simplified gives 257/84
- So, 90/30 + 5/84 = 257/84
In mixed form: 35/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+10/84 90/60+5/84 90/30+15/84 90/30+25/84 90/30+35/84