Add 12/10 and 21/75
1st number: 1 2/10, 2nd number: 21/75
12/10 + 21/75 is 37/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 10 × 15 = 150,
12/10 = 12 × 15/10 × 15 = 180/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Add the two like fractions:
180/150 + 42/150 = 180 + 42/150 = 222/150 - 222/150 simplified gives 37/25
- So, 12/10 + 21/75 = 37/25
In mixed form: 112/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+21/75 12/10+42/75 12/20+21/75 36/10+21/75 12/10+63/75 12/30+21/75 60/10+21/75 12/50+21/75 84/10+21/75 12/70+21/75