Add 7/10 and 42/48
7/10 + 42/48 is 63/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 10 × 24 = 240,
7/10 = 7 × 24/10 × 24 = 168/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Add the two like fractions:
168/240 + 210/240 = 168 + 210/240 = 378/240 - 378/240 simplified gives 63/40
- So, 7/10 + 42/48 = 63/40
In mixed form: 123/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+42/48 7/10+84/48 7/20+42/48 7/10+42/96 21/10+42/48 7/30+42/48 35/10+42/48 7/50+42/48 49/10+42/48 7/70+42/48