Add 54/10 and 42/70
1st number: 5 4/10, 2nd number: 42/70
54/10 + 42/70 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
54/10 = 54 × 7/10 × 7 = 378/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Add the two like fractions:
378/70 + 42/70 = 378 + 42/70 = 420/70 - 420/70 simplified gives 6/1
- So, 54/10 + 42/70 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+84/70 54/20+42/70 54/30+42/70 54/50+42/70 54/70+42/70