Add 21/14 and 45/16
1st number: 1 7/14, 2nd number: 2 13/16
21/14 + 45/16 is 69/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
21/14 = 21 × 8/14 × 8 = 168/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
45/16 = 45 × 7/16 × 7 = 315/112 - Add the two like fractions:
168/112 + 315/112 = 168 + 315/112 = 483/112 - 483/112 simplified gives 69/16
- So, 21/14 + 45/16 = 69/16
In mixed form: 45/16
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