Add 42/28 and 70/16
1st number: 1 14/28, 2nd number: 4 6/16
42/28 + 70/16 is 47/8.
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,
42/28 = 42 × 4/28 × 4 = 168/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
70/16 = 70 × 7/16 × 7 = 490/112 - Add the two like fractions:
168/112 + 490/112 = 168 + 490/112 = 658/112 - 658/112 simplified gives 47/8
- So, 42/28 + 70/16 = 47/8
In mixed form: 57/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+70/16 42/56+70/16 42/28+70/32 42/84+70/16 42/28+70/48 42/28+70/80