Add 42/7 and 2/30
1st number: 6 0/7, 2nd number: 2/30
42/7 + 2/30 is 91/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
42/7 = 42 × 30/7 × 30 = 1260/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Add the two like fractions:
1260/210 + 14/210 = 1260 + 14/210 = 1274/210 - 1274/210 simplified gives 91/15
- So, 42/7 + 2/30 = 91/15
In mixed form: 61/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+2/30 42/7+4/30 42/14+2/30 42/7+2/60 42/7+6/30 42/21+2/30 42/7+2/90 42/7+10/30 42/35+2/30 42/7+14/30 42/49+2/30