Add 21/70 and 14/25
21/70 + 14/25 is 43/50.
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,
21/70 = 21 × 5/70 × 5 = 105/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
14/25 = 14 × 14/25 × 14 = 196/350 - Add the two like fractions:
105/350 + 196/350 = 105 + 196/350 = 301/350 - 301/350 simplified gives 43/50
- So, 21/70 + 14/25 = 43/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+14/25 21/70+28/25 21/70+14/50 63/70+14/25 21/70+42/25 21/70+14/75 21/70+70/25 21/70+98/25