Add 3/42 and 21/32
3/42 + 21/32 is 163/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
3/42 = 3 × 16/42 × 16 = 48/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672 - Add the two like fractions:
48/672 + 441/672 = 48 + 441/672 = 489/672 - 489/672 simplified gives 163/224
- So, 3/42 + 21/32 = 163/224
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