Add 42/54 and 1/30
42/54 + 1/30 is 73/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
1/30 = 1 × 9/30 × 9 = 9/270 - Add the two like fractions:
210/270 + 9/270 = 210 + 9/270 = 219/270 - 219/270 simplified gives 73/90
- So, 42/54 + 1/30 = 73/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+1/30 42/54+2/30 42/54+1/60 42/54+3/30 42/54+1/90 42/54+5/30 42/54+7/30