Add 56/54 and 45/70
1st number: 1 2/54, 2nd number: 45/70
56/54 + 45/70 is 635/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
56/54 = 56 × 35/54 × 35 = 1960/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
45/70 = 45 × 27/70 × 27 = 1215/1890 - Add the two like fractions:
1960/1890 + 1215/1890 = 1960 + 1215/1890 = 3175/1890 - 3175/1890 simplified gives 635/378
- So, 56/54 + 45/70 = 635/378
In mixed form: 1257/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+90/70