Add 75/28 and 36/90
1st number: 2 19/28, 2nd number: 36/90
75/28 + 36/90 is 431/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
75/28 = 75 × 45/28 × 45 = 3375/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
36/90 = 36 × 14/90 × 14 = 504/1260 - Add the two like fractions:
3375/1260 + 504/1260 = 3375 + 504/1260 = 3879/1260 - 3879/1260 simplified gives 431/140
- So, 75/28 + 36/90 = 431/140
In mixed form: 311/140
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