Add 28/8 and 70/90
1st number: 3 4/8, 2nd number: 70/90
28/8 + 70/90 is 77/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
28/8 = 28 × 45/8 × 45 = 1260/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
70/90 = 70 × 4/90 × 4 = 280/360 - Add the two like fractions:
1260/360 + 280/360 = 1260 + 280/360 = 1540/360 - 1540/360 simplified gives 77/18
- So, 28/8 + 70/90 = 77/18
In mixed form: 45/18
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