Add 25/56 and 3/40
25/56 + 3/40 is 73/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
25/56 = 25 × 5/56 × 5 = 125/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280 - Add the two like fractions:
125/280 + 21/280 = 125 + 21/280 = 146/280 - 146/280 simplified gives 73/140
- So, 25/56 + 3/40 = 73/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56+3/40 25/56+6/40 25/56+3/80 75/56+3/40 25/56+9/40 25/56+15/40 25/56+21/40