Add 8/10 and 42/8
1st number: 8/10, 2nd number: 5 2/8
8/10 + 42/8 is 121/20.
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,
8/10 = 8 × 4/10 × 4 = 32/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
42/8 = 42 × 5/8 × 5 = 210/40 - Add the two like fractions:
32/40 + 210/40 = 32 + 210/40 = 242/40 - 242/40 simplified gives 121/20
- So, 8/10 + 42/8 = 121/20
In mixed form: 61/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+42/8 8/10+84/8 8/20+42/8 8/10+42/16 24/10+42/8 8/30+42/8 8/10+42/24 40/10+42/8 8/50+42/8 8/10+42/40 56/10+42/8 8/70+42/8 8/10+42/56