Add 75/70 and 21/30
1st number: 1 5/70, 2nd number: 21/30
75/70 + 21/30 is 62/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
21/30 = 21 × 7/30 × 7 = 147/210 - Add the two like fractions:
225/210 + 147/210 = 225 + 147/210 = 372/210 - 372/210 simplified gives 62/35
- So, 75/70 + 21/30 = 62/35
In mixed form: 127/35
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