Add 42/70 and 6/25
42/70 + 6/25 is 21/25.
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,
42/70 = 42 × 5/70 × 5 = 210/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
6/25 = 6 × 14/25 × 14 = 84/350 - Add the two like fractions:
210/350 + 84/350 = 210 + 84/350 = 294/350 - 294/350 simplified gives 21/25
- So, 42/70 + 6/25 = 21/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+6/25 42/70+12/25 42/70+6/50 42/70+18/25 42/70+6/75 42/70+30/25 42/70+42/25