Add 70/56 and 48/45
1st number: 1 14/56, 2nd number: 1 3/45
70/56 + 48/45 is 139/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
70/56 = 70 × 45/56 × 45 = 3150/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
48/45 = 48 × 56/45 × 56 = 2688/2520 - Add the two like fractions:
3150/2520 + 2688/2520 = 3150 + 2688/2520 = 5838/2520 - 5838/2520 simplified gives 139/60
- So, 70/56 + 48/45 = 139/60
In mixed form: 219/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+96/45 70/56+48/90