Add 7/42 and 30/48
7/42 + 30/48 is 19/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
7/42 = 7 × 8/42 × 8 = 56/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
30/48 = 30 × 7/48 × 7 = 210/336 - Add the two like fractions:
56/336 + 210/336 = 56 + 210/336 = 266/336 - 266/336 simplified gives 19/24
- So, 7/42 + 30/48 = 19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+30/48 7/42+60/48 7/84+30/48 7/42+30/96 21/42+30/48 7/42+90/48 35/42+30/48 49/42+30/48