Add 25/70 and 42/20
1st number: 25/70, 2nd number: 2 2/20
25/70 + 42/20 is 86/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
25/70 = 25 × 2/70 × 2 = 50/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Add the two like fractions:
50/140 + 294/140 = 50 + 294/140 = 344/140 - 344/140 simplified gives 86/35
- So, 25/70 + 42/20 = 86/35
In mixed form: 216/35
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