Add 54/36 and 12/70
1st number: 1 18/36, 2nd number: 12/70
54/36 + 12/70 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
54/36 = 54 × 35/36 × 35 = 1890/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
12/70 = 12 × 18/70 × 18 = 216/1260 - Add the two like fractions:
1890/1260 + 216/1260 = 1890 + 216/1260 = 2106/1260 - 2106/1260 simplified gives 117/70
- So, 54/36 + 12/70 = 117/70
In mixed form: 147/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+24/70 54/72+12/70 54/36+36/70 54/36+60/70 54/36+84/70