Add 48/20 and 25/42
1st number: 2 8/20, 2nd number: 25/42
48/20 + 25/42 is 629/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
48/20 = 48 × 21/20 × 21 = 1008/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
25/42 = 25 × 10/42 × 10 = 250/420 - Add the two like fractions:
1008/420 + 250/420 = 1008 + 250/420 = 1258/420 - 1258/420 simplified gives 629/210
- So, 48/20 + 25/42 = 629/210
In mixed form: 2209/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20+25/42 48/20+50/42 48/40+25/42 48/20+25/84 48/20+75/42 48/60+25/42