Add 48/42 and 10/15
1st number: 1 6/42, 2nd number: 10/15
48/42 + 10/15 is 38/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
48/42 = 48 × 5/42 × 5 = 240/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Add the two like fractions:
240/210 + 140/210 = 240 + 140/210 = 380/210 - 380/210 simplified gives 38/21
- So, 48/42 + 10/15 = 38/21
In mixed form: 117/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+10/15 48/42+20/15 48/84+10/15 48/42+10/30 48/42+30/15 48/42+10/45 48/42+50/15 48/42+10/75 48/42+70/15