Add 28/16 and 21/90
1st number: 1 12/16, 2nd number: 21/90
28/16 + 21/90 is 119/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
21/90 = 21 × 8/90 × 8 = 168/720 - Add the two like fractions:
1260/720 + 168/720 = 1260 + 168/720 = 1428/720 - 1428/720 simplified gives 119/60
- So, 28/16 + 21/90 = 119/60
In mixed form: 159/60
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