Add 40/56 and 2/30
40/56 + 2/30 is 82/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
40/56 = 40 × 15/56 × 15 = 600/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
2/30 = 2 × 28/30 × 28 = 56/840 - Add the two like fractions:
600/840 + 56/840 = 600 + 56/840 = 656/840 - 656/840 simplified gives 82/105
- So, 40/56 + 2/30 = 82/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+2/30 40/56+4/30 40/56+2/60 40/56+6/30 40/56+2/90 40/56+10/30 40/56+14/30