Add 54/14 and 90/80
1st number: 3 12/14, 2nd number: 1 10/80
54/14 + 90/80 is 279/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
54/14 = 54 × 40/14 × 40 = 2160/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
90/80 = 90 × 7/80 × 7 = 630/560 - Add the two like fractions:
2160/560 + 630/560 = 2160 + 630/560 = 2790/560 - 2790/560 simplified gives 279/56
- So, 54/14 + 90/80 = 279/56
In mixed form: 455/56
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