Add 70/15 and 24/7
1st number: 4 10/15, 2nd number: 3 3/7
70/15 + 24/7 is 170/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
70/15 = 70 × 7/15 × 7 = 490/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
24/7 = 24 × 15/7 × 15 = 360/105 - Add the two like fractions:
490/105 + 360/105 = 490 + 360/105 = 850/105 - 850/105 simplified gives 170/21
- So, 70/15 + 24/7 = 170/21
In mixed form: 82/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+48/7 70/30+24/7 70/15+24/14 70/15+72/7 70/45+24/7 70/15+24/21 70/75+24/7 70/15+24/35 70/15+24/49