Add 54/80 and 49/28
1st number: 54/80, 2nd number: 1 21/28
54/80 + 49/28 is 97/40.
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,
54/80 = 54 × 7/80 × 7 = 378/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
49/28 = 49 × 20/28 × 20 = 980/560 - Add the two like fractions:
378/560 + 980/560 = 378 + 980/560 = 1358/560 - 1358/560 simplified gives 97/40
- So, 54/80 + 49/28 = 97/40
In mixed form: 217/40
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