Add 21/25 and 42/8
1st number: 21/25, 2nd number: 5 2/8
21/25 + 42/8 is 609/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
21/25 = 21 × 8/25 × 8 = 168/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
42/8 = 42 × 25/8 × 25 = 1050/200 - Add the two like fractions:
168/200 + 1050/200 = 168 + 1050/200 = 1218/200 - 1218/200 simplified gives 609/100
- So, 21/25 + 42/8 = 609/100
In mixed form: 69/100
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