Add 1/56 and 12/45
1/56 + 12/45 is 239/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
1/56 = 1 × 45/56 × 45 = 45/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
12/45 = 12 × 56/45 × 56 = 672/2520 - Add the two like fractions:
45/2520 + 672/2520 = 45 + 672/2520 = 717/2520 - 717/2520 simplified gives 239/840
- So, 1/56 + 12/45 = 239/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56+12/45 1/56+24/45 1/56+12/90 3/56+12/45 1/56+36/45 5/56+12/45 1/56+60/45 7/56+12/45 1/56+84/45