Add 30/32 and 90/42
1st number: 30/32, 2nd number: 2 6/42
30/32 + 90/42 is 345/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
90/42 = 90 × 16/42 × 16 = 1440/672 - Add the two like fractions:
630/672 + 1440/672 = 630 + 1440/672 = 2070/672 - 2070/672 simplified gives 345/112
- So, 30/32 + 90/42 = 345/112
In mixed form: 39/112
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