Add 28/70 and 7/25
28/70 + 7/25 is 17/25.
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,
28/70 = 28 × 5/70 × 5 = 140/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
7/25 = 7 × 14/25 × 14 = 98/350 - Add the two like fractions:
140/350 + 98/350 = 140 + 98/350 = 238/350 - 238/350 simplified gives 17/25
- So, 28/70 + 7/25 = 17/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+7/25 28/70+14/25 28/70+7/50 84/70+7/25 28/70+21/25 28/70+7/75 28/70+35/25 28/70+49/25