Add 90/40 and 35/56
1st number: 2 10/40, 2nd number: 35/56
90/40 + 35/56 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
35/56 = 35 × 5/56 × 5 = 175/280 - Add the two like fractions:
630/280 + 175/280 = 630 + 175/280 = 805/280 - 805/280 simplified gives 23/8
- So, 90/40 + 35/56 = 23/8
In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+70/56 90/80+35/56