Add 42/10 and 21/16
1st number: 4 2/10, 2nd number: 1 5/16
42/10 + 21/16 is 441/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
42/10 = 42 × 8/10 × 8 = 336/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Add the two like fractions:
336/80 + 105/80 = 336 + 105/80 = 441/80 - So, 42/10 + 21/16 = 441/80
In mixed form: 541/80
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