Add 18/60 and 70/28
1st number: 18/60, 2nd number: 2 14/28
18/60 + 70/28 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Add the two like fractions:
126/420 + 1050/420 = 126 + 1050/420 = 1176/420 - 1176/420 simplified gives 14/5
- So, 18/60 + 70/28 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+70/28 18/60+70/56 54/60+70/28 18/60+70/84 90/60+70/28