Add 9/56 and 18/40
9/56 + 18/40 is 171/280.
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,
9/56 = 9 × 5/56 × 5 = 45/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
45/280 + 126/280 = 45 + 126/280 = 171/280 - So, 9/56 + 18/40 = 171/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56+18/40 9/56+36/40 9/56+18/80 27/56+18/40 9/56+54/40 45/56+18/40 9/56+90/40 63/56+18/40