Add 27/40 and 25/56
27/40 + 25/56 is 157/140.
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,
27/40 = 27 × 7/40 × 7 = 189/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
25/56 = 25 × 5/56 × 5 = 125/280 - Add the two like fractions:
189/280 + 125/280 = 189 + 125/280 = 314/280 - 314/280 simplified gives 157/140
- So, 27/40 + 25/56 = 157/140
In mixed form: 117/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+25/56 27/40+50/56 27/80+25/56 81/40+25/56 27/40+75/56