Add 72/15 and 1/35
1st number: 4 12/15, 2nd number: 1/35
72/15 + 1/35 is 169/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
72/15 = 72 × 7/15 × 7 = 504/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
1/35 = 1 × 3/35 × 3 = 3/105 - Add the two like fractions:
504/105 + 3/105 = 504 + 3/105 = 507/105 - 507/105 simplified gives 169/35
- So, 72/15 + 1/35 = 169/35
In mixed form: 429/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+2/35 72/30+1/35 72/15+1/70 72/15+3/35 72/45+1/35 72/15+5/35 72/75+1/35 72/15+7/35