Add 70/90 and 30/25
1st number: 70/90, 2nd number: 1 5/25
70/90 + 30/25 is 89/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
30/25 = 30 × 18/25 × 18 = 540/450 - Add the two like fractions:
350/450 + 540/450 = 350 + 540/450 = 890/450 - 890/450 simplified gives 89/45
- So, 70/90 + 30/25 = 89/45
In mixed form: 144/45
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