Add 30/28 and 70/16
1st number: 1 2/28, 2nd number: 4 6/16
30/28 + 70/16 is 305/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
30/28 = 30 × 4/28 × 4 = 120/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
70/16 = 70 × 7/16 × 7 = 490/112 - Add the two like fractions:
120/112 + 490/112 = 120 + 490/112 = 610/112 - 610/112 simplified gives 305/56
- So, 30/28 + 70/16 = 305/56
In mixed form: 525/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+70/16 30/56+70/16 30/28+70/32 90/28+70/16 30/84+70/16 30/28+70/48 30/28+70/80