Add 56/7 and 3/45
1st number: 8 0/7, 2nd number: 3/45
56/7 + 3/45 is 121/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
56/7 = 56 × 45/7 × 45 = 2520/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
3/45 = 3 × 7/45 × 7 = 21/315 - Add the two like fractions:
2520/315 + 21/315 = 2520 + 21/315 = 2541/315 - 2541/315 simplified gives 121/15
- So, 56/7 + 3/45 = 121/15
In mixed form: 81/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+6/45 56/14+3/45 56/7+3/90 56/7+9/45 56/21+3/45 56/7+15/45 56/35+3/45 56/7+21/45 56/49+3/45