Add 30/90 and 45/28
1st number: 30/90, 2nd number: 1 17/28
30/90 + 45/28 is 163/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
30/90 = 30 × 14/90 × 14 = 420/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
45/28 = 45 × 45/28 × 45 = 2025/1260 - Add the two like fractions:
420/1260 + 2025/1260 = 420 + 2025/1260 = 2445/1260 - 2445/1260 simplified gives 163/84
- So, 30/90 + 45/28 = 163/84
In mixed form: 179/84
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