Add 18/10 and 54/49
1st number: 1 8/10, 2nd number: 1 5/49
18/10 + 54/49 is 711/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
18/10 = 18 × 49/10 × 49 = 882/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
54/49 = 54 × 10/49 × 10 = 540/490 - Add the two like fractions:
882/490 + 540/490 = 882 + 540/490 = 1422/490 - 1422/490 simplified gives 711/245
- So, 18/10 + 54/49 = 711/245
In mixed form: 2221/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+54/49 18/20+54/49 18/10+54/98 54/10+54/49 18/30+54/49 90/10+54/49 18/50+54/49 18/70+54/49