Add 80/2 and 42/30
1st number: 40 0/2, 2nd number: 1 12/30
80/2 + 42/30 is 207/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
80/2 = 80 × 15/2 × 15 = 1200/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Add the two like fractions:
1200/30 + 42/30 = 1200 + 42/30 = 1242/30 - 1242/30 simplified gives 207/5
- So, 80/2 + 42/30 = 207/5
In mixed form: 412/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+84/30 80/4+42/30 80/2+42/60 80/6+42/30 80/2+42/90 80/10+42/30 80/14+42/30