Add 15/5 and 45/56
1st number: 3 0/5, 2nd number: 45/56
15/5 + 45/56 is 213/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
15/5 = 15 × 56/5 × 56 = 840/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Add the two like fractions:
840/280 + 225/280 = 840 + 225/280 = 1065/280 - 1065/280 simplified gives 213/56
- So, 15/5 + 45/56 = 213/56
In mixed form: 345/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+45/56 15/5+90/56 15/10+45/56 45/5+45/56 75/5+45/56 15/25+45/56 15/35+45/56