Add 42/30 and 90/6
1st number: 1 12/30, 2nd number: 15 0/6
42/30 + 90/6 is 82/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
90/6 = 90 × 5/6 × 5 = 450/30 - Add the two like fractions:
42/30 + 450/30 = 42 + 450/30 = 492/30 - 492/30 simplified gives 82/5
- So, 42/30 + 90/6 = 82/5
In mixed form: 162/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+90/6 42/60+90/6 42/30+90/12 42/90+90/6 42/30+90/18 42/30+90/30 42/30+90/42