Add 20/60 and 12/56
20/60 + 12/56 is 23/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
20/60 = 20 × 14/60 × 14 = 280/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
12/56 = 12 × 15/56 × 15 = 180/840 - Add the two like fractions:
280/840 + 180/840 = 280 + 180/840 = 460/840 - 460/840 simplified gives 23/42
- So, 20/60 + 12/56 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+12/56 20/60+24/56 20/60+36/56 20/60+60/56 20/60+84/56