Add 2/90 and 45/56
2/90 + 45/56 is 2081/2520.
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,
2/90 = 2 × 28/90 × 28 = 56/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
45/56 = 45 × 45/56 × 45 = 2025/2520 - Add the two like fractions:
56/2520 + 2025/2520 = 56 + 2025/2520 = 2081/2520 - So, 2/90 + 45/56 = 2081/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90+45/56 2/90+90/56 6/90+45/56 10/90+45/56 14/90+45/56