Add 21/16 and 42/14
1st number: 1 5/16, 2nd number: 3 0/14
21/16 + 42/14 is 69/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 14 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Likewise, for the 2nd fraction, since 14 × 8 = 112,
42/14 = 42 × 8/14 × 8 = 336/112 - Add the two like fractions:
147/112 + 336/112 = 147 + 336/112 = 483/112 - 483/112 simplified gives 69/16
- So, 21/16 + 42/14 = 69/16
In mixed form: 45/16
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