Add 30/70 and 28/50
30/70 + 28/50 is 173/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
30/70 = 30 × 5/70 × 5 = 150/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
28/50 = 28 × 7/50 × 7 = 196/350 - Add the two like fractions:
150/350 + 196/350 = 150 + 196/350 = 346/350 - 346/350 simplified gives 173/175
- So, 30/70 + 28/50 = 173/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+28/50 30/70+56/50 90/70+28/50 30/70+84/50