Add 25/45 and 90/56
1st number: 25/45, 2nd number: 1 34/56
25/45 + 90/56 is 545/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
25/45 = 25 × 56/45 × 56 = 1400/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Add the two like fractions:
1400/2520 + 4050/2520 = 1400 + 4050/2520 = 5450/2520 - 5450/2520 simplified gives 545/252
- So, 25/45 + 90/56 = 545/252
In mixed form: 241/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+90/56 25/90+90/56 75/45+90/56