Add 8/80 and 42/30
1st number: 8/80, 2nd number: 1 12/30
8/80 + 42/30 is 3/2.
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,
8/80 = 8 × 3/80 × 3 = 24/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Add the two like fractions:
24/240 + 336/240 = 24 + 336/240 = 360/240 - 360/240 simplified gives 3/2
- So, 8/80 + 42/30 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80+42/30 8/80+84/30 8/80+42/60 24/80+42/30 8/80+42/90 40/80+42/30 56/80+42/30