Add 42/2 and 56/70
1st number: 21 0/2, 2nd number: 56/70
42/2 + 56/70 is 109/5.
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,
42/2 = 42 × 35/2 × 35 = 1470/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
56/70 = 56 × 1/70 × 1 = 56/70 - Add the two like fractions:
1470/70 + 56/70 = 1470 + 56/70 = 1526/70 - 1526/70 simplified gives 109/5
- So, 42/2 + 56/70 = 109/5
In mixed form: 214/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+56/70 42/4+56/70 42/6+56/70 42/10+56/70 42/14+56/70