Add 7/42 and 70/4
1st number: 7/42, 2nd number: 17 2/4
7/42 + 70/4 is 53/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
70/4 = 70 × 21/4 × 21 = 1470/84 - Add the two like fractions:
14/84 + 1470/84 = 14 + 1470/84 = 1484/84 - 1484/84 simplified gives 53/3
- So, 7/42 + 70/4 = 53/3
In mixed form: 172/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+70/4 7/84+70/4 7/42+70/8 21/42+70/4 7/42+70/12 35/42+70/4 7/42+70/20 49/42+70/4 7/42+70/28