Add 70/30 and 21/64
1st number: 2 10/30, 2nd number: 21/64
70/30 + 21/64 is 511/192.
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,
21/64 = 21 × 15/64 × 15 = 315/960 - Add the two like fractions:
2240/960 + 315/960 = 2240 + 315/960 = 2555/960 - 2555/960 simplified gives 511/192
- So, 70/30 + 21/64 = 511/192
In mixed form: 2127/192
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