Add 49/20 and 42/40
1st number: 2 9/20, 2nd number: 1 2/40
49/20 + 42/40 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
49/20 = 49 × 2/20 × 2 = 98/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
98/40 + 42/40 = 98 + 42/40 = 140/40 - 140/40 simplified gives 7/2
- So, 49/20 + 42/40 = 7/2
In mixed form: 31/2
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