Add 98/28 and 21/16
1st number: 3 14/28, 2nd number: 1 5/16
98/28 + 21/16 is 77/16.
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,
98/28 = 98 × 4/28 × 4 = 392/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
392/112 + 147/112 = 392 + 147/112 = 539/112 - 539/112 simplified gives 77/16
- So, 98/28 + 21/16 = 77/16
In mixed form: 413/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+42/16 98/56+21/16 98/28+21/32 98/28+63/16 98/84+21/16 98/28+21/48 98/28+21/80