Add 15/35 and 72/49
1st number: 15/35, 2nd number: 1 23/49
15/35 + 72/49 is 93/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
15/35 = 15 × 7/35 × 7 = 105/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
72/49 = 72 × 5/49 × 5 = 360/245 - Add the two like fractions:
105/245 + 360/245 = 105 + 360/245 = 465/245 - 465/245 simplified gives 93/49
- So, 15/35 + 72/49 = 93/49
In mixed form: 144/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35+72/49 15/70+72/49 15/35+72/98 45/35+72/49 75/35+72/49