Add 70/18 and 18/32
1st number: 3 16/18, 2nd number: 18/32
70/18 + 18/32 is 641/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
70/18 = 70 × 16/18 × 16 = 1120/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
18/32 = 18 × 9/32 × 9 = 162/288 - Add the two like fractions:
1120/288 + 162/288 = 1120 + 162/288 = 1282/288 - 1282/288 simplified gives 641/144
- So, 70/18 + 18/32 = 641/144
In mixed form: 465/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+36/32 70/36+18/32 70/18+18/64 70/18+54/32 70/54+18/32 70/18+18/96 70/18+90/32 70/90+18/32