Add 2/8 and 90/70
1st number: 2/8, 2nd number: 1 20/70
2/8 + 90/70 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
2/8 = 2 × 35/8 × 35 = 70/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
90/70 = 90 × 4/70 × 4 = 360/280 - Add the two like fractions:
70/280 + 360/280 = 70 + 360/280 = 430/280 - 430/280 simplified gives 43/28
- So, 2/8 + 90/70 = 43/28
In mixed form: 115/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+90/70 2/16+90/70 6/8+90/70 2/24+90/70 10/8+90/70 2/40+90/70 14/8+90/70 2/56+90/70