Add 90/10 and 70/15
1st number: 9 0/10, 2nd number: 4 10/15
90/10 + 70/15 is 41/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
90/10 = 90 × 3/10 × 3 = 270/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Add the two like fractions:
270/30 + 140/30 = 270 + 140/30 = 410/30 - 410/30 simplified gives 41/3
- So, 90/10 + 70/15 = 41/3
In mixed form: 132/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+70/15 90/10+70/30 90/30+70/15 90/10+70/45 90/50+70/15 90/10+70/75 90/70+70/15