Add 70/16 and 90/72
1st number: 4 6/16, 2nd number: 1 18/72
70/16 + 90/72 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
70/16 = 70 × 9/16 × 9 = 630/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
90/72 = 90 × 2/72 × 2 = 180/144 - Add the two like fractions:
630/144 + 180/144 = 630 + 180/144 = 810/144 - 810/144 simplified gives 45/8
- So, 70/16 + 90/72 = 45/8
In mixed form: 55/8
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