Add 54/10 and 90/42
1st number: 5 4/10, 2nd number: 2 6/42
54/10 + 90/42 is 264/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
54/10 = 54 × 21/10 × 21 = 1134/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
90/42 = 90 × 5/42 × 5 = 450/210 - Add the two like fractions:
1134/210 + 450/210 = 1134 + 450/210 = 1584/210 - 1584/210 simplified gives 264/35
- So, 54/10 + 90/42 = 264/35
In mixed form: 719/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+90/42 54/10+90/84 54/30+90/42 54/50+90/42 54/70+90/42