Add 42/14 and 10/30
1st number: 3 0/14, 2nd number: 10/30
42/14 + 10/30 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
42/14 = 42 × 15/14 × 15 = 630/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Add the two like fractions:
630/210 + 70/210 = 630 + 70/210 = 700/210 - 700/210 simplified gives 10/3
- So, 42/14 + 10/30 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+10/30 42/14+20/30 42/28+10/30 42/14+10/60 42/14+10/90 42/14+50/30 42/70+10/30 42/14+70/30 42/98+10/30