Add 90/3 and 4/84
1st number: 30 0/3, 2nd number: 4/84
90/3 + 4/84 is 631/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
90/3 = 90 × 28/3 × 28 = 2520/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Add the two like fractions:
2520/84 + 4/84 = 2520 + 4/84 = 2524/84 - 2524/84 simplified gives 631/21
- So, 90/3 + 4/84 = 631/21
In mixed form: 301/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+8/84 90/6+4/84 90/3+12/84 90/9+4/84 90/3+20/84 90/15+4/84 90/3+28/84 90/21+4/84