Add 90/8 and 70/56
1st number: 11 2/8, 2nd number: 1 14/56
90/8 + 70/56 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
90/8 = 90 × 7/8 × 7 = 630/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
70/56 = 70 × 1/56 × 1 = 70/56 - Add the two like fractions:
630/56 + 70/56 = 630 + 70/56 = 700/56 - 700/56 simplified gives 25/2
- So, 90/8 + 70/56 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+70/56 90/24+70/56 90/40+70/56 90/56+70/56