Add 50/70 and 49/72
50/70 + 49/72 is 703/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
50/70 = 50 × 36/70 × 36 = 1800/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
49/72 = 49 × 35/72 × 35 = 1715/2520 - Add the two like fractions:
1800/2520 + 1715/2520 = 1800 + 1715/2520 = 3515/2520 - 3515/2520 simplified gives 703/504
- So, 50/70 + 49/72 = 703/504
In mixed form: 1199/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+98/72