Add 18/70 and 45/3
1st number: 18/70, 2nd number: 15 0/3
18/70 + 45/3 is 534/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 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 3 × 70 = 210,
45/3 = 45 × 70/3 × 70 = 3150/210 - Add the two like fractions:
54/210 + 3150/210 = 54 + 3150/210 = 3204/210 - 3204/210 simplified gives 534/35
- So, 18/70 + 45/3 = 534/35
In mixed form: 159/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+45/3 18/70+90/3 18/70+45/6 54/70+45/3 18/70+45/9 90/70+45/3 18/70+45/15 18/70+45/21