Add 16/10 and 70/80
1st number: 1 6/10, 2nd number: 70/80
16/10 + 70/80 is 99/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
16/10 = 16 × 8/10 × 8 = 128/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Add the two like fractions:
128/80 + 70/80 = 128 + 70/80 = 198/80 - 198/80 simplified gives 99/40
- So, 16/10 + 70/80 = 99/40
In mixed form: 219/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/10+70/80 16/20+70/80 48/10+70/80 16/30+70/80 80/10+70/80 16/50+70/80 16/70+70/80