Add 3/70 and 21/25
3/70 + 21/25 is 309/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
3/70 = 3 × 5/70 × 5 = 15/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
21/25 = 21 × 14/25 × 14 = 294/350 - Add the two like fractions:
15/350 + 294/350 = 15 + 294/350 = 309/350 - So, 3/70 + 21/25 = 309/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+21/25 3/70+42/25 3/70+21/50 9/70+21/25 3/70+63/25 3/70+21/75 15/70+21/25 21/70+21/25