Add 70/8 and 90/36
1st number: 8 6/8, 2nd number: 2 18/36
70/8 + 90/36 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 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 36 × 2 = 72,
90/36 = 90 × 2/36 × 2 = 180/72 - Add the two like fractions:
630/72 + 180/72 = 630 + 180/72 = 810/72 - 810/72 simplified gives 45/4
- So, 70/8 + 90/36 = 45/4
In mixed form: 111/4
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