Add 45/2 and 15/70
1st number: 22 1/2, 2nd number: 15/70
45/2 + 15/70 is 159/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
45/2 = 45 × 35/2 × 35 = 1575/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
15/70 = 15 × 1/70 × 1 = 15/70 - Add the two like fractions:
1575/70 + 15/70 = 1575 + 15/70 = 1590/70 - 1590/70 simplified gives 159/7
- So, 45/2 + 15/70 = 159/7
In mixed form: 225/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+15/70 45/2+30/70 45/4+15/70 45/2+45/70 45/6+15/70 45/2+75/70 45/10+15/70 45/14+15/70