Add 42/25 and 20/90
1st number: 1 17/25, 2nd number: 20/90
42/25 + 20/90 is 428/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
42/25 = 42 × 18/25 × 18 = 756/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Add the two like fractions:
756/450 + 100/450 = 756 + 100/450 = 856/450 - 856/450 simplified gives 428/225
- So, 42/25 + 20/90 = 428/225
In mixed form: 1203/225
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