Add 10/72 and 45/70
10/72 + 45/70 is 197/252.
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,
10/72 = 10 × 35/72 × 35 = 350/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
45/70 = 45 × 36/70 × 36 = 1620/2520 - Add the two like fractions:
350/2520 + 1620/2520 = 350 + 1620/2520 = 1970/2520 - 1970/2520 simplified gives 197/252
- So, 10/72 + 45/70 = 197/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72+45/70 10/72+90/70 30/72+45/70 50/72+45/70 70/72+45/70