Add 16/5 and 70/18
1st number: 3 1/5, 2nd number: 3 16/18
16/5 + 70/18 is 319/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
16/5 = 16 × 18/5 × 18 = 288/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Add the two like fractions:
288/90 + 350/90 = 288 + 350/90 = 638/90 - 638/90 simplified gives 319/45
- So, 16/5 + 70/18 = 319/45
In mixed form: 74/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5+70/18 16/10+70/18 16/5+70/36 48/5+70/18 16/15+70/18 16/5+70/54 80/5+70/18 16/25+70/18 16/5+70/90 16/35+70/18