Add 36/70 and 25/42
36/70 + 25/42 is 233/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
36/70 = 36 × 3/70 × 3 = 108/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
25/42 = 25 × 5/42 × 5 = 125/210 - Add the two like fractions:
108/210 + 125/210 = 108 + 125/210 = 233/210 - So, 36/70 + 25/42 = 233/210
In mixed form: 123/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+25/42 36/70+50/42 36/70+25/84 36/70+75/42