Add 70/30 and 81/64
1st number: 2 10/30, 2nd number: 1 17/64
70/30 + 81/64 is 691/192.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 30 × 32 = 960,
70/30 = 70 × 32/30 × 32 = 2240/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
81/64 = 81 × 15/64 × 15 = 1215/960 - Add the two like fractions:
2240/960 + 1215/960 = 2240 + 1215/960 = 3455/960 - 3455/960 simplified gives 691/192
- So, 70/30 + 81/64 = 691/192
In mixed form: 3115/192
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