Add 42/45 and 7/10
42/45 + 7/10 is 49/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
42/45 = 42 × 2/45 × 2 = 84/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Add the two like fractions:
84/90 + 63/90 = 84 + 63/90 = 147/90 - 147/90 simplified gives 49/30
- So, 42/45 + 7/10 = 49/30
In mixed form: 119/30
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