Add 3/70 and 2/72
3/70 + 2/72 is 89/1260.
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,
3/70 = 3 × 36/70 × 36 = 108/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
2/72 = 2 × 35/72 × 35 = 70/2520 - Add the two like fractions:
108/2520 + 70/2520 = 108 + 70/2520 = 178/2520 - 178/2520 simplified gives 89/1260
- So, 3/70 + 2/72 = 89/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+2/72 3/70+4/72 9/70+2/72 3/70+6/72 15/70+2/72 3/70+10/72 21/70+2/72 3/70+14/72