Add 9/56 and 9/15
9/56 + 9/15 is 213/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
9/15 = 9 × 56/15 × 56 = 504/840 - Add the two like fractions:
135/840 + 504/840 = 135 + 504/840 = 639/840 - 639/840 simplified gives 213/280
- So, 9/56 + 9/15 = 213/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56+9/15 9/56+18/15 9/56+9/30 27/56+9/15 9/56+27/15 9/56+9/45 45/56+9/15 9/56+45/15 9/56+9/75 63/56+9/15 9/56+63/15