Add 28/24 and 54/70
1st number: 1 4/24, 2nd number: 54/70
28/24 + 54/70 is 407/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
28/24 = 28 × 35/24 × 35 = 980/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
54/70 = 54 × 12/70 × 12 = 648/840 - Add the two like fractions:
980/840 + 648/840 = 980 + 648/840 = 1628/840 - 1628/840 simplified gives 407/210
- So, 28/24 + 54/70 = 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: 56/24+54/70 28/48+54/70 84/24+54/70 28/72+54/70