Add 70/75 and 42/36
1st number: 70/75, 2nd number: 1 6/36
70/75 + 42/36 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
70/75 = 70 × 12/75 × 12 = 840/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
42/36 = 42 × 25/36 × 25 = 1050/900 - Add the two like fractions:
840/900 + 1050/900 = 840 + 1050/900 = 1890/900 - 1890/900 simplified gives 21/10
- So, 70/75 + 42/36 = 21/10
In mixed form: 21/10
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