Add 70/80 and 63/54
1st number: 70/80, 2nd number: 1 9/54
70/80 + 63/54 is 49/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
70/80 = 70 × 27/80 × 27 = 1890/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
63/54 = 63 × 40/54 × 40 = 2520/2160 - Add the two like fractions:
1890/2160 + 2520/2160 = 1890 + 2520/2160 = 4410/2160 - 4410/2160 simplified gives 49/24
- So, 70/80 + 63/54 = 49/24
In mixed form: 21/24
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