Add 70/42 and 40/36
1st number: 1 28/42, 2nd number: 1 4/36
70/42 + 40/36 is 25/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
70/42 = 70 × 6/42 × 6 = 420/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
40/36 = 40 × 7/36 × 7 = 280/252 - Add the two like fractions:
420/252 + 280/252 = 420 + 280/252 = 700/252 - 700/252 simplified gives 25/9
- So, 70/42 + 40/36 = 25/9
In mixed form: 27/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+80/36 70/84+40/36 70/42+40/72