Add 32/12 and 21/70
1st number: 2 8/12, 2nd number: 21/70
32/12 + 21/70 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
32/12 = 32 × 35/12 × 35 = 1120/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
21/70 = 21 × 6/70 × 6 = 126/420 - Add the two like fractions:
1120/420 + 126/420 = 1120 + 126/420 = 1246/420 - 1246/420 simplified gives 89/30
- So, 32/12 + 21/70 = 89/30
In mixed form: 229/30
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