Add 70/25 and 3/90
1st number: 2 20/25, 2nd number: 3/90
70/25 + 3/90 is 17/6.
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,
70/25 = 70 × 18/25 × 18 = 1260/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
3/90 = 3 × 5/90 × 5 = 15/450 - Add the two like fractions:
1260/450 + 15/450 = 1260 + 15/450 = 1275/450 - 1275/450 simplified gives 17/6
- So, 70/25 + 3/90 = 17/6
In mixed form: 25/6
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