Add 7/42 and 70/27
1st number: 7/42, 2nd number: 2 16/27
7/42 + 70/27 is 149/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
7/42 = 7 × 9/42 × 9 = 63/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
70/27 = 70 × 14/27 × 14 = 980/378 - Add the two like fractions:
63/378 + 980/378 = 63 + 980/378 = 1043/378 - 1043/378 simplified gives 149/54
- So, 7/42 + 70/27 = 149/54
In mixed form: 241/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+70/27 7/84+70/27 7/42+70/54 21/42+70/27 7/42+70/81 35/42+70/27 49/42+70/27