Add 8/2 and 30/70
1st number: 4 0/2, 2nd number: 30/70
8/2 + 30/70 is 31/7.
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,
8/2 = 8 × 35/2 × 35 = 280/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Add the two like fractions:
280/70 + 30/70 = 280 + 30/70 = 310/70 - 310/70 simplified gives 31/7
- So, 8/2 + 30/70 = 31/7
In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+30/70 8/2+60/70 8/4+30/70 24/2+30/70 8/2+90/70 8/6+30/70 40/2+30/70 8/10+30/70 56/2+30/70 8/14+30/70