Add 42/40 and 50/48
1st number: 1 2/40, 2nd number: 1 2/48
42/40 + 50/48 is 251/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
42/40 = 42 × 6/40 × 6 = 252/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
50/48 = 50 × 5/48 × 5 = 250/240 - Add the two like fractions:
252/240 + 250/240 = 252 + 250/240 = 502/240 - 502/240 simplified gives 251/120
- So, 42/40 + 50/48 = 251/120
In mixed form: 211/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+50/48 42/80+50/48 42/40+50/96