Add 40/2 and 21/60
1st number: 20 0/2, 2nd number: 21/60
40/2 + 21/60 is 407/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
40/2 = 40 × 30/2 × 30 = 1200/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
1200/60 + 21/60 = 1200 + 21/60 = 1221/60 - 1221/60 simplified gives 407/20
- So, 40/2 + 21/60 = 407/20
In mixed form: 207/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+21/60 40/2+42/60 40/4+21/60 40/2+63/60 40/6+21/60 40/10+21/60 40/14+21/60