Add 42/30 and 21/32
1st number: 1 12/30, 2nd number: 21/32
42/30 + 21/32 is 329/160.
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,
42/30 = 42 × 16/30 × 16 = 672/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
21/32 = 21 × 15/32 × 15 = 315/480 - Add the two like fractions:
672/480 + 315/480 = 672 + 315/480 = 987/480 - 987/480 simplified gives 329/160
- So, 42/30 + 21/32 = 329/160
In mixed form: 29/160
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