Add 9/80 and 70/28
1st number: 9/80, 2nd number: 2 14/28
9/80 + 70/28 is 209/80.
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,
9/80 = 9 × 7/80 × 7 = 63/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
70/28 = 70 × 20/28 × 20 = 1400/560 - Add the two like fractions:
63/560 + 1400/560 = 63 + 1400/560 = 1463/560 - 1463/560 simplified gives 209/80
- So, 9/80 + 70/28 = 209/80
In mixed form: 249/80
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