Add 20/56 and 8/30
20/56 + 8/30 is 131/210.
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,
20/56 = 20 × 15/56 × 15 = 300/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
8/30 = 8 × 28/30 × 28 = 224/840 - Add the two like fractions:
300/840 + 224/840 = 300 + 224/840 = 524/840 - 524/840 simplified gives 131/210
- So, 20/56 + 8/30 = 131/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+8/30 20/56+16/30 20/56+8/60 60/56+8/30 20/56+24/30 20/56+8/90 20/56+40/30 20/56+56/30