Add 1/27 and 70/42
1st number: 1/27, 2nd number: 1 28/42
1/27 + 70/42 is 46/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
1/27 = 1 × 14/27 × 14 = 14/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
70/42 = 70 × 9/42 × 9 = 630/378 - Add the two like fractions:
14/378 + 630/378 = 14 + 630/378 = 644/378 - 644/378 simplified gives 46/27
- So, 1/27 + 70/42 = 46/27
In mixed form: 119/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27+70/42 1/54+70/42 1/27+70/84 3/27+70/42 1/81+70/42 5/27+70/42 7/27+70/42