Add 21/14 and 18/16
1st number: 1 7/14, 2nd number: 1 2/16
21/14 + 18/16 is 21/8.
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,
18/16 = 18 × 7/16 × 7 = 126/112 - Add the two like fractions:
168/112 + 126/112 = 168 + 126/112 = 294/112 - 294/112 simplified gives 21/8
- So, 21/14 + 18/16 = 21/8
In mixed form: 25/8
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