Add 6/30 and 12/42
6/30 + 12/42 is 17/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
6/30 = 6 × 7/30 × 7 = 42/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210 - Add the two like fractions:
42/210 + 60/210 = 42 + 60/210 = 102/210 - 102/210 simplified gives 17/35
- So, 6/30 + 12/42 = 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30+12/42 6/30+24/42 6/60+12/42 6/30+12/84 18/30+12/42 6/30+36/42 6/90+12/42 6/30+60/42 42/30+12/42 6/30+84/42