Add 75/20 and 70/8
1st number: 3 15/20, 2nd number: 8 6/8
75/20 + 70/8 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
75/20 = 75 × 2/20 × 2 = 150/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Add the two like fractions:
150/40 + 350/40 = 150 + 350/40 = 500/40 - 500/40 simplified gives 25/2
- So, 75/20 + 70/8 = 25/2
In mixed form: 121/2
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