Add 16/6 and 70/21
1st number: 2 4/6, 2nd number: 3 7/21
16/6 + 70/21 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
16/6 = 16 × 7/6 × 7 = 112/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42 - Add the two like fractions:
112/42 + 140/42 = 112 + 140/42 = 252/42 - 252/42 simplified gives 6/1
- So, 16/6 + 70/21 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/6+70/21 16/12+70/21 16/6+70/42 48/6+70/21 16/18+70/21 16/6+70/63 80/6+70/21 16/30+70/21 16/42+70/21