Add 54/70 and 12/48
54/70 + 12/48 is 143/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
54/70 = 54 × 24/70 × 24 = 1296/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
12/48 = 12 × 35/48 × 35 = 420/1680 - Add the two like fractions:
1296/1680 + 420/1680 = 1296 + 420/1680 = 1716/1680 - 1716/1680 simplified gives 143/140
- So, 54/70 + 12/48 = 143/140
In mixed form: 13/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+24/48 54/70+12/96 54/70+36/48 54/70+60/48 54/70+84/48