Add 12/10 and 8/42
1st number: 1 2/10, 2nd number: 8/42
12/10 + 8/42 is 146/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Add the two like fractions:
252/210 + 40/210 = 252 + 40/210 = 292/210 - 292/210 simplified gives 146/105
- So, 12/10 + 8/42 = 146/105
In mixed form: 141/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+8/42 12/10+16/42 12/20+8/42 12/10+8/84 36/10+8/42 12/10+24/42 12/30+8/42 60/10+8/42 12/10+40/42 12/50+8/42 84/10+8/42 12/10+56/42 12/70+8/42