Add 35/70 and 90/8
1st number: 35/70, 2nd number: 11 2/8
35/70 + 90/8 is 47/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
35/70 = 35 × 4/70 × 4 = 140/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
90/8 = 90 × 35/8 × 35 = 3150/280 - Add the two like fractions:
140/280 + 3150/280 = 140 + 3150/280 = 3290/280 - 3290/280 simplified gives 47/4
- So, 35/70 + 90/8 = 47/4
In mixed form: 113/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70+90/16 35/70+90/24 35/70+90/40 35/70+90/56