Add 21/30 and 42/32
1st number: 21/30, 2nd number: 1 10/32
21/30 + 42/32 is 161/80.
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,
42/32 = 42 × 15/32 × 15 = 630/480 - Add the two like fractions:
336/480 + 630/480 = 336 + 630/480 = 966/480 - 966/480 simplified gives 161/80
- So, 21/30 + 42/32 = 161/80
In mixed form: 21/80
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