Add 15/25 and 42/16
1st number: 15/25, 2nd number: 2 10/16
15/25 + 42/16 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
15/25 = 15 × 16/25 × 16 = 240/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
42/16 = 42 × 25/16 × 25 = 1050/400 - Add the two like fractions:
240/400 + 1050/400 = 240 + 1050/400 = 1290/400 - 1290/400 simplified gives 129/40
- So, 15/25 + 42/16 = 129/40
In mixed form: 39/40
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