Add 16/10 and 21/84
1st number: 1 6/10, 2nd number: 21/84
16/10 + 21/84 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
16/10 = 16 × 42/10 × 42 = 672/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Add the two like fractions:
672/420 + 105/420 = 672 + 105/420 = 777/420 - 777/420 simplified gives 37/20
- So, 16/10 + 21/84 = 37/20
In mixed form: 117/20
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