Add 9/70 and 20/56
9/70 + 20/56 is 17/35.
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,
9/70 = 9 × 4/70 × 4 = 36/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
36/280 + 100/280 = 36 + 100/280 = 136/280 - 136/280 simplified gives 17/35
- So, 9/70 + 20/56 = 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+20/56 9/70+40/56 27/70+20/56 9/70+60/56 45/70+20/56 63/70+20/56