Add 15/10 and 84/8
1st number: 1 5/10, 2nd number: 10 4/8
15/10 + 84/8 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
84/8 = 84 × 5/8 × 5 = 420/40 - Add the two like fractions:
60/40 + 420/40 = 60 + 420/40 = 480/40 - 480/40 simplified gives 12/1
- So, 15/10 + 84/8 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+84/8 15/20+84/8 15/10+84/16 45/10+84/8 15/30+84/8 15/10+84/24 75/10+84/8 15/50+84/8 15/10+84/40 15/70+84/8 15/10+84/56