Add 12/10 and 90/60
1st number: 1 2/10, 2nd number: 1 30/60
12/10 + 90/60 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
12/10 = 12 × 6/10 × 6 = 72/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
90/60 = 90 × 1/60 × 1 = 90/60 - Add the two like fractions:
72/60 + 90/60 = 72 + 90/60 = 162/60 - 162/60 simplified gives 27/10
- So, 12/10 + 90/60 = 27/10
In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+90/60 12/20+90/60 36/10+90/60 12/30+90/60 60/10+90/60 12/50+90/60 84/10+90/60 12/70+90/60