Add 80/42 and 8/63
1st number: 1 38/42, 2nd number: 8/63
80/42 + 8/63 is 128/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
80/42 = 80 × 3/42 × 3 = 240/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
8/63 = 8 × 2/63 × 2 = 16/126 - Add the two like fractions:
240/126 + 16/126 = 240 + 16/126 = 256/126 - 256/126 simplified gives 128/63
- So, 80/42 + 8/63 = 128/63
In mixed form: 22/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+16/63 80/84+8/63 80/42+24/63 80/42+40/63 80/42+56/63