Add 90/84 and 8/42
1st number: 1 6/84, 2nd number: 8/42
90/84 + 8/42 is 53/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Add the two like fractions:
90/84 + 16/84 = 90 + 16/84 = 106/84 - 106/84 simplified gives 53/42
- So, 90/84 + 8/42 = 53/42
In mixed form: 111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+16/42 90/84+8/84 90/84+24/42 90/84+40/42 90/84+56/42