Add 42/15 and 70/48
1st number: 2 12/15, 2nd number: 1 22/48
42/15 + 70/48 is 511/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
42/15 = 42 × 16/15 × 16 = 672/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
70/48 = 70 × 5/48 × 5 = 350/240 - Add the two like fractions:
672/240 + 350/240 = 672 + 350/240 = 1022/240 - 1022/240 simplified gives 511/120
- So, 42/15 + 70/48 = 511/120
In mixed form: 431/120
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