Add 3/56 and 56/90
3/56 + 56/90 is 1703/2520.
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,
3/56 = 3 × 45/56 × 45 = 135/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
56/90 = 56 × 28/90 × 28 = 1568/2520 - Add the two like fractions:
135/2520 + 1568/2520 = 135 + 1568/2520 = 1703/2520 - So, 3/56 + 56/90 = 1703/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+56/90 9/56+56/90 15/56+56/90 21/56+56/90