Add 70/30 and 63/54
1st number: 2 10/30, 2nd number: 1 9/54
70/30 + 63/54 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
70/30 = 70 × 9/30 × 9 = 630/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
63/54 = 63 × 5/54 × 5 = 315/270 - Add the two like fractions:
630/270 + 315/270 = 630 + 315/270 = 945/270 - 945/270 simplified gives 7/2
- So, 70/30 + 63/54 = 7/2
In mixed form: 31/2
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