Add 70/8 and 15/20
1st number: 8 6/8, 2nd number: 15/20
70/8 + 15/20 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
15/20 = 15 × 2/20 × 2 = 30/40 - Add the two like fractions:
350/40 + 30/40 = 350 + 30/40 = 380/40 - 380/40 simplified gives 19/2
- So, 70/8 + 15/20 = 19/2
In mixed form: 91/2
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