Add 42/10 and 8/12
1st number: 4 2/10, 2nd number: 8/12
42/10 + 8/12 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
42/10 = 42 × 6/10 × 6 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Add the two like fractions:
252/60 + 40/60 = 252 + 40/60 = 292/60 - 292/60 simplified gives 73/15
- So, 42/10 + 8/12 = 73/15
In mixed form: 413/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+8/12 42/10+16/12 42/20+8/12 42/10+8/24 42/10+24/12 42/30+8/12 42/10+8/36 42/10+40/12 42/50+8/12 42/10+8/60 42/10+56/12 42/70+8/12 42/10+8/84