Add 15/80 and 70/54
1st number: 15/80, 2nd number: 1 16/54
15/80 + 70/54 is 641/432.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
15/80 = 15 × 27/80 × 27 = 405/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
70/54 = 70 × 40/54 × 40 = 2800/2160 - Add the two like fractions:
405/2160 + 2800/2160 = 405 + 2800/2160 = 3205/2160 - 3205/2160 simplified gives 641/432
- So, 15/80 + 70/54 = 641/432
In mixed form: 1209/432
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