Add 18/70 and 36/30
1st number: 18/70, 2nd number: 1 6/30
18/70 + 36/30 is 51/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
18/70 = 18 × 3/70 × 3 = 54/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
36/30 = 36 × 7/30 × 7 = 252/210 - Add the two like fractions:
54/210 + 252/210 = 54 + 252/210 = 306/210 - 306/210 simplified gives 51/35
- So, 18/70 + 36/30 = 51/35
In mixed form: 116/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+36/30 18/70+72/30 18/70+36/60 54/70+36/30 18/70+36/90 90/70+36/30