Add 90/8 and 1/70
1st number: 11 2/8, 2nd number: 1/70
90/8 + 1/70 is 1577/140.
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,
90/8 = 90 × 35/8 × 35 = 3150/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
1/70 = 1 × 4/70 × 4 = 4/280 - Add the two like fractions:
3150/280 + 4/280 = 3150 + 4/280 = 3154/280 - 3154/280 simplified gives 1577/140
- So, 90/8 + 1/70 = 1577/140
In mixed form: 1137/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+2/70 90/16+1/70 90/8+3/70 90/24+1/70 90/8+5/70 90/40+1/70 90/8+7/70 90/56+1/70