Add 12/10 and 84/40
1st number: 1 2/10, 2nd number: 2 4/40
12/10 + 84/40 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
12/10 = 12 × 4/10 × 4 = 48/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
84/40 = 84 × 1/40 × 1 = 84/40 - Add the two like fractions:
48/40 + 84/40 = 48 + 84/40 = 132/40 - 132/40 simplified gives 33/10
- So, 12/10 + 84/40 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+84/40 12/20+84/40 12/10+84/80 36/10+84/40 12/30+84/40 60/10+84/40 12/50+84/40 84/10+84/40 12/70+84/40