Add 16/18 and 70/20
1st number: 16/18, 2nd number: 3 10/20
16/18 + 70/20 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
16/18 = 16 × 10/18 × 10 = 160/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Add the two like fractions:
160/180 + 630/180 = 160 + 630/180 = 790/180 - 790/180 simplified gives 79/18
- So, 16/18 + 70/20 = 79/18
In mixed form: 47/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18+70/20 16/36+70/20 16/18+70/40 48/18+70/20 16/54+70/20 16/18+70/60 80/18+70/20 16/90+70/20