Add 21/5 and 4/70
1st number: 4 1/5, 2nd number: 4/70
21/5 + 4/70 is 149/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
4/70 = 4 × 1/70 × 1 = 4/70 - Add the two like fractions:
294/70 + 4/70 = 294 + 4/70 = 298/70 - 298/70 simplified gives 149/35
- So, 21/5 + 4/70 = 149/35
In mixed form: 49/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5+4/70 21/5+8/70 21/10+4/70 63/5+4/70 21/5+12/70 21/15+4/70 21/5+20/70 21/25+4/70 21/5+28/70 21/35+4/70