Add 54/80 and 9/7
1st number: 54/80, 2nd number: 1 2/7
54/80 + 9/7 is 549/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
54/80 = 54 × 7/80 × 7 = 378/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
9/7 = 9 × 80/7 × 80 = 720/560 - Add the two like fractions:
378/560 + 720/560 = 378 + 720/560 = 1098/560 - 1098/560 simplified gives 549/280
- So, 54/80 + 9/7 = 549/280
In mixed form: 1269/280
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