Add 90/30 and 64/90
1st number: 3 0/30, 2nd number: 64/90
90/30 + 64/90 is 167/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
90/30 = 90 × 3/30 × 3 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
64/90 = 64 × 1/90 × 1 = 64/90 - Add the two like fractions:
270/90 + 64/90 = 270 + 64/90 = 334/90 - 334/90 simplified gives 167/45
- So, 90/30 + 64/90 = 167/45
In mixed form: 332/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+64/90