Add 1/56 and 12/15
1/56 + 12/15 is 229/280.
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,
1/56 = 1 × 15/56 × 15 = 15/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
12/15 = 12 × 56/15 × 56 = 672/840 - Add the two like fractions:
15/840 + 672/840 = 15 + 672/840 = 687/840 - 687/840 simplified gives 229/280
- So, 1/56 + 12/15 = 229/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56+12/15 1/56+24/15 1/56+12/30 3/56+12/15 1/56+36/15 1/56+12/45 5/56+12/15 1/56+60/15 1/56+12/75 7/56+12/15 1/56+84/15