Add 48/42 and 15/5
1st number: 1 6/42, 2nd number: 3 0/5
48/42 + 15/5 is 29/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 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 5 × 42 = 210,
15/5 = 15 × 42/5 × 42 = 630/210 - Add the two like fractions:
240/210 + 630/210 = 240 + 630/210 = 870/210 - 870/210 simplified gives 29/7
- So, 48/42 + 15/5 = 29/7
In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+15/5 48/42+30/5 48/84+15/5 48/42+15/10 48/42+45/5 48/42+75/5 48/42+15/25 48/42+15/35