Add 72/30 and 90/6
1st number: 2 12/30, 2nd number: 15 0/6
72/30 + 90/6 is 87/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
72/30 = 72 × 1/30 × 1 = 72/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
90/6 = 90 × 5/6 × 5 = 450/30 - Add the two like fractions:
72/30 + 450/30 = 72 + 450/30 = 522/30 - 522/30 simplified gives 87/5
- So, 72/30 + 90/6 = 87/5
In mixed form: 172/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+90/6 72/30+90/12 72/90+90/6 72/30+90/18 72/30+90/30 72/30+90/42