Add 9/90 and 50/56
9/90 + 50/56 is 139/140.
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,
9/90 = 9 × 28/90 × 28 = 252/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
50/56 = 50 × 45/56 × 45 = 2250/2520 - Add the two like fractions:
252/2520 + 2250/2520 = 252 + 2250/2520 = 2502/2520 - 2502/2520 simplified gives 139/140
- So, 9/90 + 50/56 = 139/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+50/56 27/90+50/56 45/90+50/56 63/90+50/56