Add 9/45 and 4/56
9/45 + 4/56 is 19/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
9/45 = 9 × 56/45 × 56 = 504/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
4/56 = 4 × 45/56 × 45 = 180/2520 - Add the two like fractions:
504/2520 + 180/2520 = 504 + 180/2520 = 684/2520 - 684/2520 simplified gives 19/70
- So, 9/45 + 4/56 = 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+4/56 9/45+8/56 9/90+4/56 27/45+4/56 9/45+12/56 9/45+20/56 63/45+4/56 9/45+28/56