Add 45/49 and 9/56
45/49 + 9/56 is 423/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
45/49 = 45 × 8/49 × 8 = 360/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
9/56 = 9 × 7/56 × 7 = 63/392 - Add the two like fractions:
360/392 + 63/392 = 360 + 63/392 = 423/392 - So, 45/49 + 9/56 = 423/392
In mixed form: 131/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49+9/56 45/49+18/56 45/98+9/56 45/49+27/56 45/49+45/56 45/49+63/56