Add 48/20 and 42/27
1st number: 2 8/20, 2nd number: 1 15/27
48/20 + 42/27 is 178/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
48/20 = 48 × 27/20 × 27 = 1296/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540 - Add the two like fractions:
1296/540 + 840/540 = 1296 + 840/540 = 2136/540 - 2136/540 simplified gives 178/45
- So, 48/20 + 42/27 = 178/45
In mixed form: 343/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20+42/27 48/20+84/27 48/40+42/27 48/20+42/54 48/60+42/27 48/20+42/81