Add 3/35 and 70/72
3/35 + 70/72 is 1333/1260.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
3/35 = 3 × 72/35 × 72 = 216/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
70/72 = 70 × 35/72 × 35 = 2450/2520 - Add the two like fractions:
216/2520 + 2450/2520 = 216 + 2450/2520 = 2666/2520 - 2666/2520 simplified gives 1333/1260
- So, 3/35 + 70/72 = 1333/1260
In mixed form: 173/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/35+70/72 3/70+70/72 9/35+70/72 15/35+70/72 21/35+70/72