Add 25/7 and 42/20
1st number: 3 4/7, 2nd number: 2 2/20
25/7 + 42/20 is 397/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
25/7 = 25 × 20/7 × 20 = 500/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Add the two like fractions:
500/140 + 294/140 = 500 + 294/140 = 794/140 - 794/140 simplified gives 397/70
- So, 25/7 + 42/20 = 397/70
In mixed form: 547/70
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