Add 25/36 and 70/42
1st number: 25/36, 2nd number: 1 28/42
25/36 + 70/42 is 85/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
25/36 = 25 × 7/36 × 7 = 175/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
70/42 = 70 × 6/42 × 6 = 420/252 - Add the two like fractions:
175/252 + 420/252 = 175 + 420/252 = 595/252 - 595/252 simplified gives 85/36
- So, 25/36 + 70/42 = 85/36
In mixed form: 213/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+70/42 25/72+70/42 25/36+70/84 75/36+70/42