Add 45/56 and 18/35
45/56 + 18/35 is 369/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
18/35 = 18 × 8/35 × 8 = 144/280 - Add the two like fractions:
225/280 + 144/280 = 225 + 144/280 = 369/280 - So, 45/56 + 18/35 = 369/280
In mixed form: 189/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+18/35 45/56+36/35 45/56+18/70 45/56+54/35 45/56+90/35