Add 28/70 and 21/32
28/70 + 21/32 is 169/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
28/70 = 28 × 16/70 × 16 = 448/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
21/32 = 21 × 35/32 × 35 = 735/1120 - Add the two like fractions:
448/1120 + 735/1120 = 448 + 735/1120 = 1183/1120 - 1183/1120 simplified gives 169/160
- So, 28/70 + 21/32 = 169/160
In mixed form: 19/160
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