Add 81/16 and 70/45
1st number: 5 1/16, 2nd number: 1 25/45
81/16 + 70/45 is 953/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
81/16 = 81 × 45/16 × 45 = 3645/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
70/45 = 70 × 16/45 × 16 = 1120/720 - Add the two like fractions:
3645/720 + 1120/720 = 3645 + 1120/720 = 4765/720 - 4765/720 simplified gives 953/144
- So, 81/16 + 70/45 = 953/144
In mixed form: 689/144
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