Add 21/30 and 30/32
21/30 + 30/32 is 131/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
21/30 = 21 × 16/30 × 16 = 336/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
30/32 = 30 × 15/32 × 15 = 450/480 - Add the two like fractions:
336/480 + 450/480 = 336 + 450/480 = 786/480 - 786/480 simplified gives 131/80
- So, 21/30 + 30/32 = 131/80
In mixed form: 151/80
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