Add 54/56 and 2/15
54/56 + 2/15 is 461/420.
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,
54/56 = 54 × 15/56 × 15 = 810/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
2/15 = 2 × 56/15 × 56 = 112/840 - Add the two like fractions:
810/840 + 112/840 = 810 + 112/840 = 922/840 - 922/840 simplified gives 461/420
- So, 54/56 + 2/15 = 461/420
In mixed form: 141/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+4/15 54/56+2/30 54/56+6/15 54/56+2/45 54/56+10/15 54/56+2/75 54/56+14/15