Add 42/14 and 8/30
1st number: 3 0/14, 2nd number: 8/30
42/14 + 8/30 is 49/15.
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,
8/30 = 8 × 7/30 × 7 = 56/210 - Add the two like fractions:
630/210 + 56/210 = 630 + 56/210 = 686/210 - 686/210 simplified gives 49/15
- So, 42/14 + 8/30 = 49/15
In mixed form: 34/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+8/30 42/14+16/30 42/28+8/30 42/14+8/60 42/14+24/30 42/14+8/90 42/14+40/30 42/70+8/30 42/14+56/30 42/98+8/30