Add 28/35 and 21/64
28/35 + 21/64 is 361/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 35 × 64 = 2240,
28/35 = 28 × 64/35 × 64 = 1792/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
21/64 = 21 × 35/64 × 35 = 735/2240 - Add the two like fractions:
1792/2240 + 735/2240 = 1792 + 735/2240 = 2527/2240 - 2527/2240 simplified gives 361/320
- So, 28/35 + 21/64 = 361/320
In mixed form: 141/320
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