Add 5/70 and 30/56
5/70 + 30/56 is 17/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
30/56 = 30 × 5/56 × 5 = 150/280 - Add the two like fractions:
20/280 + 150/280 = 20 + 150/280 = 170/280 - 170/280 simplified gives 17/28
- So, 5/70 + 30/56 = 17/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+30/56 5/70+60/56 15/70+30/56 5/70+90/56 25/70+30/56 35/70+30/56