Add 45/56 and 49/45
1st number: 45/56, 2nd number: 1 4/45
45/56 + 49/45 is 4769/2520.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 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 45 × 56 = 2520,
49/45 = 49 × 56/45 × 56 = 2744/2520 - Add the two like fractions:
2025/2520 + 2744/2520 = 2025 + 2744/2520 = 4769/2520 - So, 45/56 + 49/45 = 4769/2520
In mixed form: 12249/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+49/45 45/56+98/45 45/56+49/90