Add 21/70 and 48/25
1st number: 21/70, 2nd number: 1 23/25
21/70 + 48/25 is 111/50.
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,
48/25 = 48 × 14/25 × 14 = 672/350 - Add the two like fractions:
105/350 + 672/350 = 105 + 672/350 = 777/350 - 777/350 simplified gives 111/50
- So, 21/70 + 48/25 = 111/50
In mixed form: 211/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+48/25 21/70+96/25 21/70+48/50 63/70+48/25 21/70+48/75