Add 30/3 and 70/42
1st number: 10 0/3, 2nd number: 1 28/42
30/3 + 70/42 is 35/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
30/3 = 30 × 14/3 × 14 = 420/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42 - Add the two like fractions:
420/42 + 70/42 = 420 + 70/42 = 490/42 - 490/42 simplified gives 35/3
- So, 30/3 + 70/42 = 35/3
In mixed form: 112/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+70/42 30/6+70/42 30/3+70/84 90/3+70/42 30/9+70/42 30/15+70/42 30/21+70/42