Add 54/72 and 10/70
54/72 + 10/70 is 25/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
54/72 = 54 × 35/72 × 35 = 1890/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
10/70 = 10 × 36/70 × 36 = 360/2520 - Add the two like fractions:
1890/2520 + 360/2520 = 1890 + 360/2520 = 2250/2520 - 2250/2520 simplified gives 25/28
- So, 54/72 + 10/70 = 25/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+20/70 54/72+30/70 54/72+50/70