Add 25/90 and 30/4
1st number: 25/90, 2nd number: 7 2/4
25/90 + 30/4 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
25/90 = 25 × 2/90 × 2 = 50/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
30/4 = 30 × 45/4 × 45 = 1350/180 - Add the two like fractions:
50/180 + 1350/180 = 50 + 1350/180 = 1400/180 - 1400/180 simplified gives 70/9
- So, 25/90 + 30/4 = 70/9
In mixed form: 77/9
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