Add 5/90 and 4/56
5/90 + 4/56 is 8/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
5/90 = 5 × 28/90 × 28 = 140/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
4/56 = 4 × 45/56 × 45 = 180/2520 - Add the two like fractions:
140/2520 + 180/2520 = 140 + 180/2520 = 320/2520 - 320/2520 simplified gives 8/63
- So, 5/90 + 4/56 = 8/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+4/56 5/90+8/56 15/90+4/56 5/90+12/56 25/90+4/56 5/90+20/56 35/90+4/56 5/90+28/56