Add 7/10 and 42/40
1st number: 7/10, 2nd number: 1 2/40
7/10 + 42/40 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
7/10 = 7 × 4/10 × 4 = 28/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
28/40 + 42/40 = 28 + 42/40 = 70/40 - 70/40 simplified gives 7/4
- So, 7/10 + 42/40 = 7/4
In mixed form: 13/4
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