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