Add 90/30 and 70/5
1st number: 3 0/30, 2nd number: 14 0/5
90/30 + 70/5 is 17/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
90/30 = 90 × 1/30 × 1 = 90/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
70/5 = 70 × 6/5 × 6 = 420/30 - Add the two like fractions:
90/30 + 420/30 = 90 + 420/30 = 510/30 - 510/30 simplified gives 17/1
- So, 90/30 + 70/5 = 17/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+70/5 90/30+70/10 90/30+70/15 90/30+70/25 90/30+70/35