Add 42/54 and 5/50
42/54 + 5/50 is 79/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 54 × 25 = 1350,
42/54 = 42 × 25/54 × 25 = 1050/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
5/50 = 5 × 27/50 × 27 = 135/1350 - Add the two like fractions:
1050/1350 + 135/1350 = 1050 + 135/1350 = 1185/1350 - 1185/1350 simplified gives 79/90
- So, 42/54 + 5/50 = 79/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+5/50 42/54+10/50 42/54+15/50 42/54+25/50 42/54+35/50