Add 84/30 and 90/27
1st number: 2 24/30, 2nd number: 3 9/27
84/30 + 90/27 is 92/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
84/30 = 84 × 9/30 × 9 = 756/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
90/27 = 90 × 10/27 × 10 = 900/270 - Add the two like fractions:
756/270 + 900/270 = 756 + 900/270 = 1656/270 - 1656/270 simplified gives 92/15
- So, 84/30 + 90/27 = 92/15
In mixed form: 62/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+90/27 84/30+90/54 84/90+90/27 84/30+90/81