Add 45/15 and 12/35
1st number: 3 0/15, 2nd number: 12/35
45/15 + 12/35 is 117/35.
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,
45/15 = 45 × 7/15 × 7 = 315/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
12/35 = 12 × 3/35 × 3 = 36/105 - Add the two like fractions:
315/105 + 36/105 = 315 + 36/105 = 351/105 - 351/105 simplified gives 117/35
- So, 45/15 + 12/35 = 117/35
In mixed form: 312/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+12/35 45/15+24/35 45/30+12/35 45/15+12/70 45/15+36/35 45/15+60/35 45/75+12/35 45/15+84/35