Add 45/56 and 10/90
45/56 + 10/90 is 461/504.
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,
45/56 = 45 × 45/56 × 45 = 2025/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
10/90 = 10 × 28/90 × 28 = 280/2520 - Add the two like fractions:
2025/2520 + 280/2520 = 2025 + 280/2520 = 2305/2520 - 2305/2520 simplified gives 461/504
- So, 45/56 + 10/90 = 461/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+10/90 45/56+20/90 45/56+30/90 45/56+50/90 45/56+70/90