Add 90/80 and 8/30
1st number: 1 10/80, 2nd number: 8/30
90/80 + 8/30 is 167/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
8/30 = 8 × 8/30 × 8 = 64/240 - Add the two like fractions:
270/240 + 64/240 = 270 + 64/240 = 334/240 - 334/240 simplified gives 167/120
- So, 90/80 + 8/30 = 167/120
In mixed form: 147/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+16/30 90/80+8/60 90/80+24/30 90/80+8/90 90/80+40/30 90/80+56/30