Add 70/36 and 21/45
1st number: 1 34/36, 2nd number: 21/45
70/36 + 21/45 is 217/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
21/45 = 21 × 4/45 × 4 = 84/180 - Add the two like fractions:
350/180 + 84/180 = 350 + 84/180 = 434/180 - 434/180 simplified gives 217/90
- So, 70/36 + 21/45 = 217/90
In mixed form: 237/90
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