Add 90/40 and 27/56
1st number: 2 10/40, 2nd number: 27/56
90/40 + 27/56 is 153/56.
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,
27/56 = 27 × 5/56 × 5 = 135/280 - Add the two like fractions:
630/280 + 135/280 = 630 + 135/280 = 765/280 - 765/280 simplified gives 153/56
- So, 90/40 + 27/56 = 153/56
In mixed form: 241/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+54/56 90/80+27/56 90/40+81/56