Add 70/28 and 40/60
1st number: 2 14/28, 2nd number: 40/60
70/28 + 40/60 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Add the two like fractions:
1050/420 + 280/420 = 1050 + 280/420 = 1330/420 - 1330/420 simplified gives 19/6
- So, 70/28 + 40/60 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+80/60 70/56+40/60 70/84+40/60