Add 54/70 and 28/24
1st number: 54/70, 2nd number: 1 4/24
54/70 + 28/24 is 407/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
54/70 = 54 × 12/70 × 12 = 648/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
28/24 = 28 × 35/24 × 35 = 980/840 - Add the two like fractions:
648/840 + 980/840 = 648 + 980/840 = 1628/840 - 1628/840 simplified gives 407/210
- So, 54/70 + 28/24 = 407/210
In mixed form: 1197/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+56/24 54/70+28/48 54/70+84/24 54/70+28/72