Add 9/56 and 12/5
1st number: 9/56, 2nd number: 2 2/5
9/56 + 12/5 is 717/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
9/56 = 9 × 5/56 × 5 = 45/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
12/5 = 12 × 56/5 × 56 = 672/280 - Add the two like fractions:
45/280 + 672/280 = 45 + 672/280 = 717/280 - So, 9/56 + 12/5 = 717/280
In mixed form: 2157/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56+12/5 9/56+24/5 9/56+12/10 27/56+12/5 9/56+36/5 9/56+12/15 45/56+12/5 9/56+60/5 9/56+12/25 63/56+12/5 9/56+84/5 9/56+12/35