Add 21/30 and 7/64
21/30 + 7/64 is 259/320.
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,
21/30 = 21 × 32/30 × 32 = 672/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
7/64 = 7 × 15/64 × 15 = 105/960 - Add the two like fractions:
672/960 + 105/960 = 672 + 105/960 = 777/960 - 777/960 simplified gives 259/320
- So, 21/30 + 7/64 = 259/320
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