Add 5/56 and 7/45
5/56 + 7/45 is 617/2520.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
5/56 = 5 × 45/56 × 45 = 225/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
7/45 = 7 × 56/45 × 56 = 392/2520 - Add the two like fractions:
225/2520 + 392/2520 = 225 + 392/2520 = 617/2520 - So, 5/56 + 7/45 = 617/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+7/45 5/56+14/45 5/56+7/90 15/56+7/45 5/56+21/45 25/56+7/45 5/56+35/45 35/56+7/45 5/56+49/45