Add 80/15 and 20/16
1st number: 5 5/15, 2nd number: 1 4/16
80/15 + 20/16 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
80/15 = 80 × 16/15 × 16 = 1280/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Add the two like fractions:
1280/240 + 300/240 = 1280 + 300/240 = 1580/240 - 1580/240 simplified gives 79/12
- So, 80/15 + 20/16 = 79/12
In mixed form: 67/12
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