Add 30/25 and 40/90
1st number: 1 5/25, 2nd number: 40/90
30/25 + 40/90 is 74/45.
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,
30/25 = 30 × 18/25 × 18 = 540/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
40/90 = 40 × 5/90 × 5 = 200/450 - Add the two like fractions:
540/450 + 200/450 = 540 + 200/450 = 740/450 - 740/450 simplified gives 74/45
- So, 30/25 + 40/90 = 74/45
In mixed form: 129/45
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