Add 12/60 and 21/48
12/60 + 21/48 is 51/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
12/60 = 12 × 4/60 × 4 = 48/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Add the two like fractions:
48/240 + 105/240 = 48 + 105/240 = 153/240 - 153/240 simplified gives 51/80
- So, 12/60 + 21/48 = 51/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60+21/48 12/60+42/48 12/60+21/96 36/60+21/48 12/60+63/48 84/60+21/48