Add 70/8 and 54/18
1st number: 8 6/8, 2nd number: 3 0/18
70/8 + 54/18 is 47/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
70/8 = 70 × 9/8 × 9 = 630/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
54/18 = 54 × 4/18 × 4 = 216/72 - Add the two like fractions:
630/72 + 216/72 = 630 + 216/72 = 846/72 - 846/72 simplified gives 47/4
- So, 70/8 + 54/18 = 47/4
In mixed form: 113/4
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