Add 2/5 and 42/48
2/5 + 42/48 is 51/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 5 × 48 = 240,
2/5 = 2 × 48/5 × 48 = 96/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Add the two like fractions:
96/240 + 210/240 = 96 + 210/240 = 306/240 - 306/240 simplified gives 51/40
- So, 2/5 + 42/48 = 51/40
In mixed form: 111/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+42/48 2/5+84/48 2/10+42/48 2/5+42/96 6/5+42/48 2/15+42/48 10/5+42/48 2/25+42/48 14/5+42/48 2/35+42/48