Add 50/90 and 18/56
50/90 + 18/56 is 221/252.
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,
50/90 = 50 × 28/90 × 28 = 1400/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
18/56 = 18 × 45/56 × 45 = 810/2520 - Add the two like fractions:
1400/2520 + 810/2520 = 1400 + 810/2520 = 2210/2520 - 2210/2520 simplified gives 221/252
- So, 50/90 + 18/56 = 221/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+36/56 50/90+54/56 50/90+90/56