Add 42/10 and 25/4
1st number: 4 2/10, 2nd number: 6 1/4
42/10 + 25/4 is 209/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
42/10 = 42 × 2/10 × 2 = 84/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
25/4 = 25 × 5/4 × 5 = 125/20 - Add the two like fractions:
84/20 + 125/20 = 84 + 125/20 = 209/20 - So, 42/10 + 25/4 = 209/20
In mixed form: 109/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+25/4 42/10+50/4 42/20+25/4 42/10+25/8 42/10+75/4 42/30+25/4 42/10+25/12 42/50+25/4 42/10+25/20 42/70+25/4 42/10+25/28