Add 42/10 and 72/7
1st number: 4 2/10, 2nd number: 10 2/7
42/10 + 72/7 is 507/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
72/7 = 72 × 10/7 × 10 = 720/70 - Add the two like fractions:
294/70 + 720/70 = 294 + 720/70 = 1014/70 - 1014/70 simplified gives 507/35
- So, 42/10 + 72/7 = 507/35
In mixed form: 1417/35
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