Add 75/30 and 1/28
1st number: 2 15/30, 2nd number: 1/28
75/30 + 1/28 is 71/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
75/30 = 75 × 14/30 × 14 = 1050/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
1/28 = 1 × 15/28 × 15 = 15/420 - Add the two like fractions:
1050/420 + 15/420 = 1050 + 15/420 = 1065/420 - 1065/420 simplified gives 71/28
- So, 75/30 + 1/28 = 71/28
In mixed form: 215/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30+2/28 75/60+1/28 75/30+1/56 75/30+3/28 75/90+1/28 75/30+1/84 75/30+5/28 75/30+7/28