Add 15/80 and 70/28
1st number: 15/80, 2nd number: 2 14/28
15/80 + 70/28 is 43/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 28 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
70/28 = 70 × 20/28 × 20 = 1400/560 - Add the two like fractions:
105/560 + 1400/560 = 105 + 1400/560 = 1505/560 - 1505/560 simplified gives 43/16
- So, 15/80 + 70/28 = 43/16
In mixed form: 211/16
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