Add 72/42 and 45/32
1st number: 1 30/42, 2nd number: 1 13/32
72/42 + 45/32 is 699/224.
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,
72/42 = 72 × 16/42 × 16 = 1152/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Add the two like fractions:
1152/672 + 945/672 = 1152 + 945/672 = 2097/672 - 2097/672 simplified gives 699/224
- So, 72/42 + 45/32 = 699/224
In mixed form: 327/224
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