Add 90/2 and 70/30
1st number: 45 0/2, 2nd number: 2 10/30
90/2 + 70/30 is 142/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
90/2 = 90 × 15/2 × 15 = 1350/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
70/30 = 70 × 1/30 × 1 = 70/30 - Add the two like fractions:
1350/30 + 70/30 = 1350 + 70/30 = 1420/30 - 1420/30 simplified gives 142/3
- So, 90/2 + 70/30 = 142/3
In mixed form: 471/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+70/30 90/2+70/60 90/6+70/30 90/2+70/90 90/10+70/30 90/14+70/30