Add 36/70 and 60/42
1st number: 36/70, 2nd number: 1 18/42
36/70 + 60/42 is 68/35.
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,
60/42 = 60 × 5/42 × 5 = 300/210 - Add the two like fractions:
108/210 + 300/210 = 108 + 300/210 = 408/210 - 408/210 simplified gives 68/35
- So, 36/70 + 60/42 = 68/35
In mixed form: 133/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+60/42 36/70+60/84