Add 10/8 and 42/72
1st number: 1 2/8, 2nd number: 42/72
10/8 + 42/72 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
10/8 = 10 × 9/8 × 9 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Add the two like fractions:
90/72 + 42/72 = 90 + 42/72 = 132/72 - 132/72 simplified gives 11/6
- So, 10/8 + 42/72 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+42/72 10/8+84/72 10/16+42/72 30/8+42/72 10/24+42/72 50/8+42/72 10/40+42/72 70/8+42/72 10/56+42/72