Add 20/32 and 21/30
20/32 + 21/30 is 53/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
20/32 = 20 × 15/32 × 15 = 300/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
21/30 = 21 × 16/30 × 16 = 336/480 - Add the two like fractions:
300/480 + 336/480 = 300 + 336/480 = 636/480 - 636/480 simplified gives 53/40
- So, 20/32 + 21/30 = 53/40
In mixed form: 113/40
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