Add 4/56 and 3/90
4/56 + 3/90 is 11/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
4/56 = 4 × 45/56 × 45 = 180/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
3/90 = 3 × 28/90 × 28 = 84/2520 - Add the two like fractions:
180/2520 + 84/2520 = 180 + 84/2520 = 264/2520 - 264/2520 simplified gives 11/105
- So, 4/56 + 3/90 = 11/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56+3/90 4/56+6/90 12/56+3/90 4/56+9/90 20/56+3/90 4/56+15/90 28/56+3/90 4/56+21/90