Add 21/10 and 70/35
1st number: 2 1/10, 2nd number: 2 0/35
21/10 + 70/35 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
70/35 = 70 × 2/35 × 2 = 140/70 - Add the two like fractions:
147/70 + 140/70 = 147 + 140/70 = 287/70 - 287/70 simplified gives 41/10
- So, 21/10 + 70/35 = 41/10
In mixed form: 41/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+70/35 21/20+70/35 63/10+70/35 21/30+70/35 21/50+70/35 21/70+70/35