Add 42/8 and 16/9
1st number: 5 2/8, 2nd number: 1 7/9
42/8 + 16/9 is 253/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
16/9 = 16 × 8/9 × 8 = 128/72 - Add the two like fractions:
378/72 + 128/72 = 378 + 128/72 = 506/72 - 506/72 simplified gives 253/36
- So, 42/8 + 16/9 = 253/36
In mixed form: 71/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+16/9 42/8+32/9 42/16+16/9 42/8+16/18 42/8+48/9 42/24+16/9 42/8+16/27 42/8+80/9 42/40+16/9 42/8+16/45 42/56+16/9 42/8+16/63