Add 20/5 and 70/8
1st number: 4 0/5, 2nd number: 8 6/8
20/5 + 70/8 is 51/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Add the two like fractions:
160/40 + 350/40 = 160 + 350/40 = 510/40 - 510/40 simplified gives 51/4
- So, 20/5 + 70/8 = 51/4
In mixed form: 123/4
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