Add 42/21 and 45/96
1st number: 2 0/21, 2nd number: 45/96
42/21 + 45/96 is 79/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
42/21 = 42 × 32/21 × 32 = 1344/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
45/96 = 45 × 7/96 × 7 = 315/672 - Add the two like fractions:
1344/672 + 315/672 = 1344 + 315/672 = 1659/672 - 1659/672 simplified gives 79/32
- So, 42/21 + 45/96 = 79/32
In mixed form: 215/32
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