Add 70/2 and 21/5
1st number: 35 0/2, 2nd number: 4 1/5
70/2 + 21/5 is 196/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
70/2 = 70 × 5/2 × 5 = 350/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
21/5 = 21 × 2/5 × 2 = 42/10 - Add the two like fractions:
350/10 + 42/10 = 350 + 42/10 = 392/10 - 392/10 simplified gives 196/5
- So, 70/2 + 21/5 = 196/5
In mixed form: 391/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+42/5 70/4+21/5 70/2+21/10 70/2+63/5 70/6+21/5 70/2+21/15 70/10+21/5 70/2+21/25 70/14+21/5 70/2+21/35