Add 70/12 and 7/42
1st number: 5 10/12, 2nd number: 7/42
70/12 + 7/42 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Add the two like fractions:
490/84 + 14/84 = 490 + 14/84 = 504/84 - 504/84 simplified gives 6/1
- So, 70/12 + 7/42 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+14/42 70/24+7/42 70/12+7/84 70/12+21/42 70/36+7/42 70/12+35/42 70/60+7/42 70/12+49/42 70/84+7/42