Add 30/70 and 7/54
30/70 + 7/54 is 211/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
30/70 = 30 × 27/70 × 27 = 810/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
7/54 = 7 × 35/54 × 35 = 245/1890 - Add the two like fractions:
810/1890 + 245/1890 = 810 + 245/1890 = 1055/1890 - 1055/1890 simplified gives 211/378
- So, 30/70 + 7/54 = 211/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+7/54 30/70+14/54 90/70+7/54 30/70+21/54 30/70+35/54 30/70+49/54