Add 70/15 and 49/56
1st number: 4 10/15, 2nd number: 49/56
70/15 + 49/56 is 133/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
70/15 = 70 × 56/15 × 56 = 3920/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
49/56 = 49 × 15/56 × 15 = 735/840 - Add the two like fractions:
3920/840 + 735/840 = 3920 + 735/840 = 4655/840 - 4655/840 simplified gives 133/24
- So, 70/15 + 49/56 = 133/24
In mixed form: 513/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+98/56 70/30+49/56 70/45+49/56 70/75+49/56