Add 8/28 and 90/70
1st number: 8/28, 2nd number: 1 20/70
8/28 + 90/70 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
8/28 = 8 × 5/28 × 5 = 40/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
90/70 = 90 × 2/70 × 2 = 180/140 - Add the two like fractions:
40/140 + 180/140 = 40 + 180/140 = 220/140 - 220/140 simplified gives 11/7
- So, 8/28 + 90/70 = 11/7
In mixed form: 14/7
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