Add 3/56 and 8/90
3/56 + 8/90 is 359/2520.
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,
8/90 = 8 × 28/90 × 28 = 224/2520 - Add the two like fractions:
135/2520 + 224/2520 = 135 + 224/2520 = 359/2520 - So, 3/56 + 8/90 = 359/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+8/90 3/56+16/90 9/56+8/90 3/56+24/90 15/56+8/90 3/56+40/90 21/56+8/90 3/56+56/90