Add 70/80 and 30/15
1st number: 70/80, 2nd number: 2 0/15
70/80 + 30/15 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
70/80 = 70 × 3/80 × 3 = 210/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
30/15 = 30 × 16/15 × 16 = 480/240 - Add the two like fractions:
210/240 + 480/240 = 210 + 480/240 = 690/240 - 690/240 simplified gives 23/8
- So, 70/80 + 30/15 = 23/8
In mixed form: 27/8
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