Add 25/10 and 7/42
1st number: 2 5/10, 2nd number: 7/42
25/10 + 7/42 is 8/3.
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,
25/10 = 25 × 21/10 × 21 = 525/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Add the two like fractions:
525/210 + 35/210 = 525 + 35/210 = 560/210 - 560/210 simplified gives 8/3
- So, 25/10 + 7/42 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10+7/42 25/10+14/42 25/20+7/42 25/10+7/84 75/10+7/42 25/10+21/42 25/30+7/42 25/10+35/42 25/50+7/42 25/10+49/42 25/70+7/42