Add 25/4 and 42/90
1st number: 6 1/4, 2nd number: 42/90
25/4 + 42/90 is 403/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
25/4 = 25 × 45/4 × 45 = 1125/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
42/90 = 42 × 2/90 × 2 = 84/180 - Add the two like fractions:
1125/180 + 84/180 = 1125 + 84/180 = 1209/180 - 1209/180 simplified gives 403/60
- So, 25/4 + 42/90 = 403/60
In mixed form: 643/60
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