Add 20/30 and 1/56
20/30 + 1/56 is 115/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
20/30 = 20 × 28/30 × 28 = 560/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
1/56 = 1 × 15/56 × 15 = 15/840 - Add the two like fractions:
560/840 + 15/840 = 560 + 15/840 = 575/840 - 575/840 simplified gives 115/168
- So, 20/30 + 1/56 = 115/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+1/56 20/30+2/56 20/60+1/56 60/30+1/56 20/30+3/56 20/90+1/56 20/30+5/56 20/30+7/56