Add 42/40 and 15/8
1st number: 1 2/40, 2nd number: 1 7/8
42/40 + 15/8 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
15/8 = 15 × 5/8 × 5 = 75/40 - Add the two like fractions:
42/40 + 75/40 = 42 + 75/40 = 117/40 - So, 42/40 + 15/8 = 117/40
In mixed form: 237/40
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