Add 3/54 and 42/10
1st number: 3/54, 2nd number: 4 2/10
3/54 + 42/10 is 383/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
42/10 = 42 × 27/10 × 27 = 1134/270 - Add the two like fractions:
15/270 + 1134/270 = 15 + 1134/270 = 1149/270 - 1149/270 simplified gives 383/90
- So, 3/54 + 42/10 = 383/90
In mixed form: 423/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54+42/10 3/54+84/10 3/54+42/20 9/54+42/10 3/54+42/30 15/54+42/10 3/54+42/50 21/54+42/10 3/54+42/70